Practice Test

Q1) Transition metals exhibit each of the following properties except Show Answer

Q2) The principal oxidation state of lanthanides is Show Answer

Q3) The f - block elements are also called Show Answer

Q4) The lanthanide contraction refers to Show Answer

Q5) Which of the following elements does not belong to first transition series? Show Answer

Q6) The element which exhibits variable valency is Show Answer

Q7) Which of the following is not correct? Show Answer

Q8) Which of the following groups of elements forms mostly coloured compounds? Show Answer

Q9) Which of the following does not belong to first transition series? Show Answer

Q10) Which of the following has lowest density? Show Answer

Q11) The separation of lanthanides in ion exchange method is based on: Show Answer

Q12) Which of the following statements is not correct regarding lanthanides and actinides? Show Answer

Q13) The copper group (IB) consists of the following elements except Show Answer

Q14) In which state, the compounds of vanadium are diamagnetic? Show Answer

Q15) Which of the following elements forms two or more chlorides? Show Answer

Q16) The iron triad of elements are Show Answer

Q17) Which metal has the highest melting point? Show Answer

Q18) Which of the following belongs to actinide series of elements? Show Answer

Q19) Which of the following statements concerning transition metal is false? Show Answer

Q20) Zn and Hf have almost equal atomic and ionic radii because of Show Answer

Q21) Permanent magnets are generally made of alloys of Show Answer

Q22) The maximum oxidation state shown by osmium is Show Answer

Q23) Which one of the following metals has the lowest melting point? Show Answer

Q24) The colour of lanthanides and actinides is due to Show Answer

Q25) Which of the following does not belong to same group? Show Answer

Q26) Which of the following is paramagnetic? Show Answer

Q27) Which of the following forms interstitial compounds? Show Answer

Q28) Which of the following has maximum ferromagnetic character? Show Answer

Q29) The element which is present in every amalgam is Show Answer

Q30) The colour of transition metal compounds is attributed to Show Answer

Q31) When potassium dichromate crystals are heated with concentrated sulphuric acid, we get Show Answer

Q32) Which of the following elements has highest melting point? Show Answer

Q33) Highest (+7) oxidation state is shown by Show Answer

Q34) The most stable oxidation state of iron is Show Answer

Q35) Acidified potassium dichromate is treated with hydrogen sulphide. In this reaction, the oxidation number of chromium Show Answer

Q36) Common oxidation state of scandium, a transition element is / are (At. No. = 21) Show Answer

Q37) Useful lanthanides member is Show Answer

Q38) Addition of high proportions of manganese makes steel useful in making rails of railroads because manganese Show Answer

Q39) The colour of Cu (I) salts is Show Answer

Q40) The calculated spin magnetic moment of Fe (II) is Show Answer

Q41) Which of the following is known as ' Wonder metal ' ? Show Answer

Q42) Which of the following form interstitial compounds of transition metals? Show Answer

Q43) Which of the following is correct sequence of first transition series? Show Answer

Q44) Which element is alloyed with copper to form bronze? Show Answer

Q45) Two of the constituents of German silver are Show Answer

Q46) Which of the following is most soluble in water? Show Answer

Q47) The most important alloying element in the manufacture of steel is Show Answer

Q48) Which of the following does not form oxide with air? Show Answer

Q49) Which of the following is not an important use of tin? Show Answer

Q50) Which of the following is used as a catalyst in Deacons process for the manufacture of chlorine? Show Answer

Q51) Constantan is an alloy of copper and Show Answer

Q52) The salts of which element are commonly used in photography? Show Answer

Q53) Which of the following gives oxygen on moderate heating? Show Answer

Q54) Gold dissolves in Show Answer

Q55) Copper has the following properties except Show Answer

Q56) Iron is protected by coating it with a thin layer of Show Answer

Q57) Blister copper is Show Answer

Q58) Which of the following is not an alloy of tin? Show Answer

Q59) Silver nitrate produces a black stain on skin due to Show Answer

Q60) Which of the following metals is not dissolved in mercury? Show Answer

Q61) Which of the following alloys contains Cu and Zn? Show Answer

Q62) German silver does not contain Show Answer

Q63) Which of the following melts in boiling water? Show Answer

Q64) The metal present in insulin is Show Answer

Q65) Which halide of silver is least soluble in ammonia? Show Answer

Q66) Which of the following element is present in haemoglobin? Show Answer

Q67) Rose metal contains Show Answer

Q68) The main constituent (highest percentage) of monel metal is Show Answer

Q69) Photographic films and plates have an essential constituent of Show Answer

Q70) Which metal is present in brass, bronze and German silver? Show Answer

Q71) Gun metal is an alloy of Show Answer

Q72) Percentage of silver in the alloy German silver is Show Answer

Q73) The trace metal present in insulin is Show Answer

Q74) Galvanization is the Show Answer

Q75) Which is common metal in gun metal, pewter and bell metal? Show Answer

Q76) The chemical process in the production of steel from haematite ore involves Show Answer

Q77) Which one of the following nitrates will leave behind a metal on strong heating? Show Answer

Q78) A reduction in atomic size with increase in atomic number is a characteristic of elements of Show Answer

Q79) Cerium (Z = 58) is an important member of the lanthanoids. Which of the following statement about cerium is incorrect? Show Answer

Q80) Which one contains both iron and copper? Show Answer

Q81) During the process of electrolytic refining of copper some metals present as impurity settle as "anode mud". These are: Show Answer

Q82) The oxidation state of final product formed by the reaction between KI and acidified potassium dichromate solution is Show Answer

Q83) Lanthanoid contraction is caused due to Show Answer

Q84) Transition metals usually exhibit highest oxidation states in their Show Answer

Q85) Which metal sulphide is not black? Show Answer

Q86) Which of the following is the major impurity in pig iron? Show Answer

Q87) Zinc and mercury do not show variable valency like d - block elements because Show Answer

Q88) Silica is added to roasted copper ore during smelting in order to remove Show Answer

Q89) In potassium manganate, the oxidation state of manganese is Show Answer

Q90) Which ion gives coloured solution? Show Answer

Q91) Iron (III) Show Answer

Q92) Which of the following compounds is paramagnetic? Show Answer

Q93) Which of the following is colourless? Show Answer

Q94) Scandium resembles with aluminium in the following properties except Show Answer

Q95) The yellow coloured solution of chromate salt changes to orange colour on acidification due to the formation of Show Answer

Q96) Which of the following has lowest magnetic moment? Show Answer

Q97) Manganese shows oxidation states from +2 to +7. The most strongly oxidising state known in aqueous solution is Show Answer

Q98) When thiocyanate ions are added to the ferric solution, a deep red colour is obtained. It is due to the presence of: Show Answer

Q99) Which of the following complex ions does not correspond to Fe (II)? Show Answer

Q100) Which of the following is an acidic oxide? Show Answer

Q101) The brown ring test for nitrites and nitrates is due to the formation of complex of iron with the formula: Show Answer

Q102) Which of the following ions is paramagnetic? Show Answer

Q103) Which oxide of vanadium is most likely to be basic and ionic? Show Answer

Q104) Chromium becomes passive by the action of each of the following except: Show Answer

Q105) Which of the following forms a stable +4 oxidation state? Show Answer

Q106) Which of the following is paramagnetic? Show Answer

Q107) Potassium permanganate on heating gives: Show Answer

Q108) Which of the following has smallest ionic radius? Show Answer

Q109) Iron is rendered passive by treatment with concentrated: Show Answer

Q110) Which of the following oxides of chromium is amphoteric in nature? Show Answer

Q111) Manganese exhibits maximum oxidation state in Show Answer

Q112) Which of the following metal oxides is white in colour but becomes yellow on heating? Show Answer

Q113) The maximum magnetic moment is shown by the ion with the outer electronic configuration of Show Answer

Q114) Which of the following has lowest magnetic moment? Show Answer

Q115) In strong alkaline medium, potassium permanganate changes to : Show Answer

Q116) The electrolysis of potassium manganate gives: Show Answer

Q117) Amongst the following the lowest degree of paramagnetism per mole of the compound at 298 K will be shown by Show Answer

Q118) Which of the following does not belong to 3d series? Show Answer

Q119) Iron has the lowest oxidation state in Show Answer

Q120) Which of the following has magnetic moment of 1.73 BM (approx)? Show Answer

Q121) In the case of transition metal ions, the magnetic moment for n unpaired electrons is given by Show Answer

Q122) The magnetic moment of a transition metal ion is found to be 3.87 B.M. It is probably: Show Answer

Q123) In acidic medium if potassium permanganate is used as an oxidising agent, we get: Show Answer

Q124) Among the following outermost configurations of transition metals, which shows the highest oxidation state? Show Answer

Q125) Which of the following has least magnetic moment? Show Answer

Q126) Which of the following compounds is expected to be coloured? Show Answer

Q127) Among the following the compound that is both paramagnetic and coloured is Show Answer

Q128) The last electron in d - block elements goes to Show Answer

Q129) Which of the following statement (s) is (are) correct with reference to ferrous and ferric ions Show Answer

Q130) The composition of the deliquescent crystals of zinc chloride is Show Answer

Q131) Which of the following has tendency to act as an oxidising agent? Show Answer

Q132) Permanganic acid is Show Answer

Q133) Which of the following statement is incorrect? Show Answer

Q134) In case of actinides, the degree of complex formation decreases as: Show Answer

Q135) Which of the following pairs has almost same colour? Show Answer

Q136) Which of the following is good oxidising agent? Show Answer

Q137) In which of the following pairs, the first ion has larger magnetic moment than the other? Show Answer

Q138) Which of the following statements is false? Show Answer

Q139) Which of the following contain two unpaired electrons? Show Answer

Q140) Blue vitriol is Show Answer

Q141) Horn silver has the chemical formula Show Answer

Q142) Passivity of iron is due to the formation of a thin layer of: Show Answer

Q143) Nessler's reagent is : Show Answer

Q144) The aqueous solution of the following salts will be coloured in case of Show Answer

Q145) The black oxide of copper (CuO) in attacked by moisture and carbon dioxide in air and forms a green film of Show Answer

Q146) Which of the following is dark brown solid? Show Answer

Q147) Chrome red is Show Answer

Q148) Nessler's reagent is an alkaline solution of Show Answer

Q149) Which of the following is not white? Show Answer

Q150) Lead (IV) oxide dissolves in sodium hydroxide to give: Show Answer

Q151) Mohr's salt is Show Answer

Q152) Sugar of lead has the chemical formula of Show Answer

Q153) Which of the following represents white lead? Show Answer

Q154) Silver nitrate Show Answer

Q155) Basic copper carbonate on heating gives. Show Answer

Q156) Mercurous chloride reacts with stannous chloride to give black precipitate of Show Answer

Q157) Which of the following is known as ruby copper? Show Answer

Q158) Which of the following is used as purgative in medicines? Show Answer

Q159) Which of the following is fool's gold? Show Answer

Q160) Softening of lead means: Show Answer

Q161) Ferric sulphate on heating gives: Show Answer

Q162) Tin dissolves in hot alkali solution due to the formation of: Show Answer

Q163) Which of the following lead compounds is most stable? Show Answer

Q164) Gold dissolves in: Show Answer

Q165) Which of the following ions exists as dimer? Show Answer

Q166) Which of the following nitrates on strong heating leaves the metal as the residue? Show Answer

Q167) Which of the following undergoes sublimation? Show Answer

Q168) An extremely hot copper wire reacts with steam to give: Show Answer

Q169) Substance soluble in ammonia is Show Answer

Q170) The composition of golden spangles is Show Answer

Q171) The formula of corrosive sublimate is Show Answer

Q172) In Nessler's reagent, the ion is: Show Answer

Q173) Horn silver dissolves in excess of sodium cyanide forming? Show Answer

Q174) Copper sulphate solution reacts with KCN to give: Show Answer

Q175) Titanium shows magnetic moment of 1.73 B.M. in its compound. What is the oxidation number of Ti in the compound? Show Answer

Q176) Copper is extracted from copper pyrites ore by heating in a blast furnace. The method is based on the principle that Show Answer

Q177) Super conductors are derived from compounds of Show Answer

Q178) On heating ammonium dichromate, the gas evolved is Show Answer

Q179) Lanthanide for which + II and + III oxidation states are common Show Answer

Q180) Vanadium (II) oxide is a strong Show Answer

Q181) Lanthanides and actinides resemble in Show Answer

Q182) In transition series, as the atomic number increases, paramagnetism Show Answer

Q183) Misch mental is Show Answer

Q184) Transition metals show paramagnetism Show Answer

Q185) Formula of green vitriol in Show Answer

Q186) Which of the following statement is not correct Show Answer

Q187) Which of the following statement is wrong? Show Answer

Q188) Ammonium dichromate is used in fireworks. The green coloured powder blown in air is Show Answer

Q189) The chemical composition of slag formed during the smelting process in the extraction of copper is Show Answer

Q190) The final step in the metallurgical extraction of Cu metal from Copper pyrites takes place in a Bessemer converter. The reaction taking place is Show Answer

Q191) In the extraction of iron, slag is produced which is Show Answer

Q192) Which of the following statement is not correct? Show Answer

Q193) General electronic configuration of lanthanides is Show Answer

Q194) The colourless species is Show Answer

Q195) The aqueous solution containing which one of the following ions will be colourless? Show Answer

Q196) Copper sulphate dissolves in excess of KCN to give Show Answer

Q197) In which of the following pairs are both the ions coloured in aqueous solution?
(At. no: Sc = 21, Ti = 22, Ni = 28, Cu = 29, Co = 27) Show Answer

Q198) The correct order of decreasing second ionisation enthalpy of Ti (22), V (23), Cr (24) and Mn (25) is: Show Answer

Q199) Which one of the elements with the following outer orbital configurations may exhibit the largest number of oxidation states? Show Answer

Q200) Which of the following complex ions is expected to absorb visible light?
(At. no. Zn = 30, Sc = 21, Ti = 22, C r = 24) Show Answer

Q201) Which one of the following ions has the maximum magnetic moment? Show Answer

Q202) Which of the following ions will exhibit colour in aqueous solutions? Show Answer

Q203) Which of the following pairs has the same size? Show Answer

Q204) In the first transition series, the element with highest melting point is Show Answer

Q205) Zr and Hf have almost equal atomic radii and ionic radii because of Show Answer

Q206) The maximum oxidation state of Os is Show Answer

Q207) Ammonium dichromate is used in fire works. The green coloured powder blown in air is Show Answer

Q208) Which of the following metals is used in incandescent lamps? Show Answer

Q209) Copper sulphate solution reacts with KCN to form Show Answer

Q210) The outer shell electronic configuration of Gd (Z = 64) is Show Answer

Q211) The stable oxidation state of Ce (Z = 58) is Show Answer

Q212) Which of the following has maximum number of unpaired electrons? Show Answer

Q213) The orange colour of dichromate solution changes to yellow on heating with alkalies due to the formation of Show Answer

Q214) In which of the following set, all the ions are white? Show Answer

Q215) Which of the following statements is false? Show Answer

Q216) Which of the following is most acidic? Show Answer

Q217) Which of the following oxoanion is not possible? Show Answer

Q218) Which of the following is least basic? Show Answer

Q219) Which of the following is explosively unstable? Show Answer

Q220) Which is not amphoteric? Show Answer

Q221) Which one of the following metal ions is colourless? Show Answer

Q222) Both acid and base may react with which of the following oxides? Show Answer

Q223) The common oxidation states of Ti are Show Answer

Q224) Transition metals Show Answer

Q225) Variable valency is exhibited by Show Answer

Q226) Which of the following element does not belong to first transition series? Show Answer

Q227) Stainless steel contains iron and carbon along with Show Answer

Q228) Zn does not show variable valency because of Show Answer

Q229) A characteristic feature of transition elements is that Show Answer

Q230) One of the following is false for Hg Show Answer

Q231) The elements which exhibit both vertical and horizontal similarities are Show Answer

Q232) The number of unpaird electrons in a nickel atom (ground state) are (At. No. of Ni = 28) Show Answer

Q233) Superconductors are derived from compounds of Show Answer

Q234) Bell metal in an alloy of Show Answer

Q235) The electronic configuration of the element which is just above the element with atomic number 43 in the same periodic group is Show Answer

Q236) Coinage metals show the properties of Show Answer

Q237) Which of the following types of metals make the most efficient catalysts? Show Answer

Q238) Which of the following ions having following electronic configuration would have maximum magnetic moment? Show Answer

Q239) Choose the correct statement for transition element? Show Answer

Q240) Which of the following contains maximum number of unpaired electrons? Show Answer

Q241) The number of water molecules in Mohr's salt is Show Answer

Q242) Which one of the following ionic species will impart colour to an aqueous solution? Show Answer

Q243) Which of the following transition elements shows the highest oxidation state? Show Answer

Q244) Zinc and mercury do not show variable valency like d-block elements because Show Answer

Q245) Titanium shows magnetic moment of 1.73 BM in its compound. What is the oxidation number of Ti in the compound? Show Answer

Q246) Which is colourless in water? Show Answer

Q247) In the ground state, an element has 13 electrons in its "M shell". The element is ..... Show Answer

Q248) Which one of the following is an example of non-typical transition elements? Show Answer

Q249) Which of the following is a transition element? Show Answer

Q250) A non-copper alloy is Show Answer

Q251) German silver is an alloy of copper and Show Answer

Q252) Which one of the following metal ions is coloured? Show Answer

Q253) Which one of the following transition metal ions has the lowest density? Show Answer

Q254) Which of the following oxide of manganese is amphoteric? Show Answer

Q255) Which metal is present in brass, bronze and German silver? Show Answer

Q256) Mercury sticks to the surface of the glass when it comes in contact with Show Answer

Q257) Which of the following configuration is correct for iron? Show Answer

Q258) Elements which generally exhibit multiple oxidation states and whose ions are usually coloured are Show Answer

Q259) Which of the following substances has least ionic character? Show Answer

Q260) Transition metals mostly are Show Answer

Q261) The atomic number (Z) of an element is 25. In its ground state, how many electrons are present in the "N" shell? Show Answer

Q262) Which one of the following pairs of ions have the same electronic configuration? Show Answer

Q263) Nessler's reagent is Show Answer

Q264) Green vitriol is Show Answer

Q265) Which of the following does not have valence electrons in 3d - subshell? Show Answer

Q266) Which of the following compounds has colour but no unpaired electrons? Show Answer

Q267) The basic character of the transition metal monoxides follows the order. Show Answer

Q268) A few Cu(I) salts are coloured. The colour arises from Show Answer

Q269) The melting point of copper is higher than that of zinc because Show Answer

Q270) The melting points of Cu, Ag and Au follow the order Show Answer

Q271) In the aqueous solution, Cu(+1) salts are unstable because Show Answer

Q272) The first ionisation energies of the elements of the first transition series (Ti to Cu) Show Answer

Q273) Which of the following transition metal ions will have definite value of magnetic moment? Show Answer

Q274) Which of the following compounds is used as the starting material for the preparation of potassium dichromate? Show Answer

Q275) The last electron in d-block elements goes to Show Answer

Q276) Manganese achieves its highest oxidation state in its compound Show Answer

Q277) Which of the following is not correct about transition metals? Show Answer

Q278) Common oxidation state of scandium, a transition elemts, is/are (At. No. of Sc = 21) Show Answer

Q279) Besides Zn and Cu, German silver contains the metal Show Answer

Q280) Which of the following metals is sometimes found in native state in nature? Show Answer

Q281) The correct formula of permanganic acid is Show Answer

Q282) Which of the following is not a property of the transition elements? Show Answer

Q283) Which ion is detected by Nessler's reagent? Show Answer

Q284) The trace metal present is insulin is Show Answer

Q285) Stainless steel contains Show Answer

Q286) Brass is an alloy of Show Answer

Q287) In Nessler's regent, the ion present is Show Answer

Q288) Cuprous ion is colourless while cupric ion is coloured because Show Answer

Q289) Iron loses ferromagentic property at Show Answer

Q290) In which metal complex central atom is zerovalent? Show Answer

Q291) Pick out the wrong reaction from Show Answer

Q292) An atom with atomic number 21 belongs to the category of Show Answer

Q293) The number of unpaired electrons in ferrous ion (Z = 26) is Show Answer

Q294) The 3 d- series starts from Show Answer

Q295) In Cu (Z = 29) Show Answer

Q296) Mercurous ion is represented as Show Answer

Q297) The valence shell of transition elements consists of Show Answer

Q298) In Ziegler-Natta polymerisation of ethylene, the active species is Show Answer

Q299) What is the general outer configuration of the coinage metals? Show Answer

Q300) Which of the following reactions is possible at anode? Show Answer

Q301) Which of the following dissolves in hot conc. NaOH? Show Answer

Q302) One of the constituents of German silver is Show Answer

Q303) Among the lanthanoids the one obtained by synthetic method is Show Answer

Q304) The most common lanthanoid is Show Answer

Q305) A useful member of lanthanoids is Show Answer

Q306) The electronic configuration of gadolinium (At. No. 64) is Show Answer

Q307) General electronic configuration of lanthanoids is Show Answer

Q308) In which of the following lanthadoids, oxidation state +2 is most stable? Show Answer

Q309) Non - lanthanoid atom is Show Answer

Q310) Lanthanoids and actinoids resemble in Show Answer

Q311) Misch metal is Show Answer

Q312) Which of the following statements is not correct? Show Answer

Q313) Lanthanoids are Show Answer

Q314) Lanthanoid for which +2 and +3 oxidation states are common is Show Answer

Q315) The +3 ion of which one of the following has half filled 4f subshell? Show Answer

Q316) Which of the following is not a coinage metal? Show Answer

Q317) The higher number of unpaired electrons is in Show Answer

Q318) Which of the following is more paramagnetic? Show Answer

Q319) Transition metal with higher oxidation number will act as Show Answer

Q320) The least stable oxide at room temperature is Show Answer

Q321) In which of these processes platinum is used as a catalyst? Show Answer