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) Copper has each of the following properties except : Show Answer

Q11) Which of the following has lowest density? Show Answer

Q12) The separation of lanthanides in ion exchange method is based on: Show Answer

Q13) Which of the following statements is not correct regarding lanthanides and actinides? Show Answer

Q14) The copper group (IB) consists of the following elements except Show Answer

Q15) In which state, the compounds of vanadium are diamagnetic? Show Answer

Q16) Which of the following elements forms two or more chlorides? Show Answer

Q17) The iron triad of elements are Show Answer

Q18) The mass of gold in an 18 carat gold ring of 4 g is Show Answer

Q19) Which metal has the highest melting point? Show Answer

Q20) Which of the following belongs to actinide series of elements? Show Answer

Q21) Which of the following statements concerning transition metal is false? Show Answer

Q22) Zn and Hf have almost equal atomic and ionic radii because of Show Answer

Q23) Permanent magnets are generally made of alloys of Show Answer

Q24) The maximum oxidation state shown by osmium is Show Answer

Q25) The mineral from which potassium permanganate is manufactured is Show Answer

Q26) Which one of the following metals has the lowest melting point? Show Answer

Q27) The colour of lanthanides and actinides is due to Show Answer

Q28) Which of the following does not belong to same group? Show Answer

Q29) Which of the following is paramagnetic? Show Answer

Q30) Which of the following forms interstitial compounds? Show Answer

Q31) Which of the following has maximum ferromagnetic character? Show Answer

Q32) The element which is present in every amalgam is Show Answer

Q33) The colour of transition metal compounds is attributed to Show Answer

Q34) When potassium dichromate crystals are heated with concentrated sulphuric acid, we get Show Answer

Q35) Which of the following elements has highest melting point? Show Answer

Q36) Highest (+7) oxidation state is shown by Show Answer

Q37) The most stable oxidation state of iron is Show Answer

Q38) Acidified potassium dichromate is treated with hydrogen sulphide. In this reaction, the oxidation number of chromium Show Answer

Q39) Common oxidation state of scandium, a transition element is / are (At. No. = 21) Show Answer

Q40) Useful lanthanides member is Show Answer

Q41) Addition of high proportions of manganese makes steel useful in making rails of railroads because manganese Show Answer

Q42) The colour of Cu (I) salts is Show Answer

Q43) The calculated spin magnetic moment of Fe (II) is Show Answer

Q44) Which of the following is known as ' Wonder metal ' ? Show Answer

Q45) Which of the following form interstitial compounds of transition metals? Show Answer

Q46) Which of the following is correct sequence of first transition series? Show Answer

Q47) Brass is an alloy of Show Answer

Q48) The purest form of iron is Show Answer

Q49) Which of the following is not an ore of copper? Show Answer

Q50) Which element is alloyed with copper to form bronze? Show Answer

Q51) Percentage of gold in 21.6 carat of gold is Show Answer

Q52) If a steel article is heated to red hot and then it is allowed to cool slowly, the process is called Show Answer

Q53) Two of the constituents of German silver are Show Answer

Q54) The compound which gives off oxygen on moderate heating is Show Answer

Q55) An alloy which does not contain copper is Show Answer

Q56) Copper is used in each of the following except Show Answer

Q57) Which of the following is most soluble in water? Show Answer

Q58) The most important alloying element in the manufacture of steel is Show Answer

Q59) Which of the following does not form oxide with air? Show Answer

Q60) Which of the following sulphides is not black? Show Answer

Q61) Which of the following is not an important use of tin? Show Answer

Q62) Which of the following is used as a catalyst in Deacons process for the manufacture of chlorine? Show Answer

Q63) Constantan is an alloy of copper and Show Answer

Q64) The salts of which element are commonly used in photography? Show Answer

Q65) Lead is most readily dissolved in Show Answer

Q66) Extraction of silver from commercial lead is possible by : Show Answer

Q67) Which of the following is not an alloy of tin? Show Answer

Q68) When silver nitrate is heated, it gives Show Answer

Q69) A ring weighing 4 g contains 3 g of gold. It can be marked as Show Answer

Q70) Which of the following gives oxygen on moderate heating? Show Answer

Q71) Gold dissolves in Show Answer

Q72) Copper has the following properties except Show Answer

Q73) Coke is used in metallurgical process mainly as Show Answer

Q74) Which element is alloyed with copper to form brass? Show Answer

Q75) Iron is protected by coating it with a thin layer of Show Answer

Q76) Blister copper is Show Answer

Q77) Percentage of silver is german silver is about Show Answer

Q78) Silver nitrate is kept in brown bottles in the laboratory because Show Answer

Q79) Lead pipes are not safe for drinking water because Show Answer

Q80) Which of the following is not an alloy of tin? Show Answer

Q81) Silver nitrate produces a black stain on skin due to Show Answer

Q82) Which of the following metals is not dissolved in mercury? Show Answer

Q83) Passivity of iron is due to the formation of thin film of Show Answer

Q84) The process used for the extraction of gold is Show Answer

Q85) Which of the following sulphides is soluble in dil HCl? Show Answer

Q86) Which of the following alloys contains Cu and Zn? Show Answer

Q87) German silver does not contain Show Answer

Q88) Which of the following melts in boiling water? Show Answer

Q89) The metal present in insulin is Show Answer

Q90) Tinning of utensils is done to Show Answer

Q91) Which halide of silver is least soluble in ammonia? Show Answer

Q92) Which of the following element is present in haemoglobin? Show Answer

Q93) Rose metal contains Show Answer

Q94) The main constituent (highest percentage) of monel metal is Show Answer

Q95) Siderite is Show Answer

Q96) Photographic films and plates have an essential constituent of Show Answer

Q97) Which metal is present in brass, bronze and German silver? Show Answer

Q98) Gun metal is an alloy of Show Answer

Q99) Percentage of silver in the alloy German silver is Show Answer

Q100) The trace metal present in insulin is Show Answer

Q101) Galvanization is the Show Answer

Q102) Which of the following sulphide is black in colour? Show Answer

Q103) Which is common metal in gun metal, pewter and bell metal? Show Answer

Q104) The chemical process in the production of steel from haematite ore involves Show Answer

Q105) Anhydrous ferric chloride is prepared by Show Answer

Q106) Which one of the following nitrates will leave behind a metal on strong heating? Show Answer

Q107) A reduction in atomic size with increase in atomic number is a characteristic of elements of Show Answer

Q108) Cerium (Z = 58) is an important member of the lanthanoids. Which of the following statement about cerium is incorrect? Show Answer

Q109) Which one contains both iron and copper? Show Answer

Q110) The main reason for larger number of oxidation states exhibited by actinoids than the corresponding lanthanoids is Show Answer

Q111) During the process of electrolytic refining of copper some metals present as impurity settle as "anode mud". These are: Show Answer

Q112) The oxidation state of final product formed by the reaction between KI and acidified potassium dichromate solution is Show Answer

Q113) The lanthanide contraction is responsible for the fact that Show Answer

Q114) Lanthanoid contraction is caused due to Show Answer

Q115) Transition metals usually exhibit highest oxidation states in their Show Answer

Q116) Which metal sulphide is not black? Show Answer

Q117) Which of the following is the major impurity in pig iron? Show Answer

Q118) Zinc and mercury do not show variable valency like d - block elements because Show Answer

Q119) Elements which generally exhibit multiple oxidation states and whose ions are usually coloured are Show Answer

Q120) Silica is added to roasted copper ore during smelting in order to remove Show Answer

Q121) The protection of steel by chrome plating is due to Show Answer

Q122) The alloy best suited for making meter scales is Show Answer

Q123) Across the lanthanide series, the basicity of the lanthanide hydroxides Show Answer

Q124) In potassium manganate, the oxidation state of manganese is Show Answer

Q125) Which of the following iron salts exists as dimer?
Show Answer

Q126) Which ion gives coloured solution? Show Answer

Q127) Iron (III) Show Answer

Q128) Which of the following compounds is paramagnetic? Show Answer

Q129) Which of the following is colourless? Show Answer

Q130) Scandium resembles with aluminium in the following properties except Show Answer

Q131) Vanadyl ion is Show Answer

Q132) The yellow coloured solution of chromate salt changes to orange colour on acidification due to the formation of Show Answer

Q133) Which of the following has lowest magnetic moment? Show Answer

Q134) Manganese shows oxidation states from +2 to +7. The most strongly oxidising state known in aqueous solution is Show Answer

Q135) When thiocyanate ions are added to the ferric solution, a deep red colour is obtained. It is due to the presence of: Show Answer

Q136) Which of the following complex ions does not correspond to Fe (II)? Show Answer

Q137) Which of the following is an acidic oxide? Show Answer

Q138) Magnetite is Show Answer

Q139) The brown ring test for nitrites and nitrates is due to the formation of complex of iron with the formula: Show Answer

Q140) Which of the following ions is paramagnetic? Show Answer

Q141) Which oxide of vanadium is most likely to be basic and ionic? Show Answer

Q142) Chromium becomes passive by the action of each of the following except: Show Answer

Q143) Which of the following forms a stable +4 oxidation state? Show Answer

Q144) Chromite is: Show Answer

Q145) Which of the following is paramagnetic? Show Answer

Q146) Potassium permanganate on heating gives: Show Answer

Q147) Which of the following has smallest ionic radius? Show Answer

Q148) Iron is rendered passive by treatment with concentrated: Show Answer

Q149) The aqueous solution of following salts will be coloured in case of :
Show Answer

Q150) Which of the following oxides of chromium is amphoteric in nature? Show Answer

Q151) Manganese exhibits maximum oxidation state in Show Answer

Q152) Which of the following metal oxides is white in colour but becomes yellow on heating? Show Answer

Q153) The maximum magnetic moment is shown by the ion with the outer electronic configuration of Show Answer

Q154) Which of the following has lowest magnetic moment? Show Answer

Q155) In strong alkaline medium, potassium permanganate changes to : Show Answer

Q156) The electrolysis of potassium manganate gives: Show Answer

Q157) When dilute sulphuric acid and hydrogen peroxide are added to a solution of chromate ions, an intense blue colour is produced which is stable in ether. This is due to the formation of: Show Answer

Q158) Amongst the following the lowest degree of paramagnetism per mole of the compound at 298 K will be shown by Show Answer

Q159) Which of the following does not belong to 3d series? Show Answer

Q160) Iron has the lowest oxidation state in Show Answer

Q161) Which of the following has magnetic moment of 1.73 BM (approx)? Show Answer

Q162) In the case of transition metal ions, the magnetic moment for n unpaired electrons is given by Show Answer

Q163) The magnetic moment of a transition metal ion is found to be 3.87 B.M. It is probably: Show Answer

Q164) In acidic medium if potassium permanganate is used as an oxidising agent, we get: Show Answer

Q165) Among the following outermost configurations of transition metals, which shows the highest oxidation state? Show Answer

Q166) Which of the following has least magnetic moment? Show Answer

Q167) Which of the following compounds is expected to be coloured? Show Answer

Q168) Among the following the compound that is both paramagnetic and coloured is Show Answer

Q169) The last electron in d - block elements goes to Show Answer

Q170) Rusting of iron is catalysed by Show Answer

Q171) Which of the following statement (s) is (are) correct with reference to ferrous and ferric ions Show Answer

Q172) The composition of the deliquescent crystals of zinc chloride is Show Answer

Q173) Which of the following has tendency to act as an oxidising agent? Show Answer

Q174) Permanganic acid is Show Answer

Q175) Which of the following statement is incorrect? Show Answer

Q176) In case of actinides, the degree of complex formation decreases as: Show Answer

Q177) Which of the following pairs has almost same colour? Show Answer

Q178) Which of the following is good oxidising agent? Show Answer

Q179) In which of the following pairs, the first ion has larger magnetic moment than the other? Show Answer

Q180) Which of the following statements is false? Show Answer

Q181) Which of the following contain two unpaired electrons? Show Answer

Q182) Blue vitriol is Show Answer

Q183) Horn silver has the chemical formula Show Answer

Q184) Zincite is Show Answer

Q185) Calomel is: Show Answer

Q186) Passivity of iron is due to the formation of a thin layer of: Show Answer

Q187) Nessler's reagent is : Show Answer

Q188) Lead acetate paper turns black on exposure to Show Answer

Q189) Magnetite is Show Answer

Q190) The aqueous solution of the following salts will be coloured in case of Show Answer

Q191) The formula of Lunar caustic is Show Answer

Q192) The black oxide of copper (CuO) in attacked by moisture and carbon dioxide in air and forms a green film of Show Answer

Q193) Which of the following is dark brown solid? Show Answer

Q194) Litharge is Show Answer

Q195) Chrome red is Show Answer

Q196) Nessler's reagent is an alkaline solution of Show Answer

Q197) Which of the following is not white? Show Answer

Q198) Which of the following is known as philosopher's wool? Show Answer

Q199) Lead (IV) oxide dissolves in sodium hydroxide to give: Show Answer

Q200) Bordeaux mixture is lime and solution of Show Answer

Q201) Lithopone is a mixture of Show Answer

Q202) Mohr's salt is Show Answer

Q203) On adding excess of sodium hydroxide to zinc gives: Show Answer

Q204) Sugar of lead has the chemical formula of Show Answer

Q205) Which of the following represents white lead? Show Answer

Q206) Treatment of ammoniacal silver nitrate with glucose gives Show Answer

Q207) Silver nitrate Show Answer

Q208) Basic copper carbonate on heating gives. Show Answer

Q209) Iron is rendered passive by treatment with concentrated: Show Answer

Q210) Thomas slag is Show Answer

Q211) Mercurous chloride reacts with stannous chloride to give black precipitate of Show Answer

Q212) Which of the following is used in cosmetics under the name vermillon? Show Answer

Q213) Which of the following is known as ruby copper? Show Answer

Q214) Which of the following is used as purgative in medicines? Show Answer

Q215) Which is the malachite ore of copper? Show Answer

Q216) Which of the following is fool's gold? Show Answer

Q217) Softening of lead means: Show Answer

Q218) Ferric sulphate on heating gives: Show Answer

Q219) Tin dissolves in hot alkali solution due to the formation of: Show Answer

Q220) Which of the following lead compounds is most stable? Show Answer

Q221) Gold dissolves in: Show Answer

Q222) The composition of golden spangles is : Show Answer

Q223) Which of the following ions exists as dimer? Show Answer

Q224) Which of the following nitrates on strong heating leaves the metal as the residue? Show Answer

Q225) Which of the following undergoes sublimation? Show Answer

Q226) An extremely hot copper wire reacts with steam to give: Show Answer

Q227) Substance soluble in ammonia is Show Answer

Q228) Which of the following is known as worm silver? Show Answer

Q229) Which of the following is known as ruby copper? Show Answer

Q230) The composition of golden spangles is Show Answer

Q231) The composition of golden spangles is Show Answer

Q232) The formula of corrosive sublimate is Show Answer

Q233) Optical glass has a high percentage of Show Answer

Q234) Passivity of iron is due to the formation of : Show Answer

Q235) The formula of haematite is: Show Answer

Q236) In Nessler's reagent, the ion is: Show Answer

Q237) Horn silver dissolves in excess of sodium cyanide forming? Show Answer

Q238) Lithopone is: Show Answer

Q239) Copper sulphate solution reacts with KCN to give: Show Answer

Q240) Iron is rendered passive when treated with: Show Answer

Q241) An important ore of copper is Show Answer

Q242) Titanium shows magnetic moment of 1.73 B.M. in its compound. What is the oxidation number of Ti in the compound? Show Answer

Q243) Copper is extracted from copper pyrites ore by heating in a blast furnace. The method is based on the principle that Show Answer

Q244) Super conductors are derived from compounds of Show Answer

Q245) On heating ammonium dichromate, the gas evolved is Show Answer

Q246) The basic character of transition metal monoxides follow the order Show Answer

Q247) Lanthanide for which + II and + III oxidation states are common Show Answer

Q248) Vanadium (II) oxide is a strong Show Answer

Q249) Lanthanoids are Show Answer

Q250) Lanthanides and actinides resemble in Show Answer

Q251) In transition series, as the atomic number increases, paramagnetism Show Answer

Q252) Four sucessive members of the first row transition elements are listed below with their atomic numbers. Which one of them is expected to have highest third ionisation enthalpy? Show Answer

Q253) Misch mental is Show Answer

Q254) Transition metals show paramagnetism Show Answer

Q255) Which of the following does not give a precipitate with excess of NaOH? Show Answer

Q256) Formula of green vitriol in Show Answer

Q257) Lead sesquioxide is Show Answer

Q258) Which of the following statement is not correct Show Answer

Q259) An aqueous solution of a substanc gives, a white precipitate on treatment with dilute hydrochloric acid, which dissolves on heating, when hydrogen sulfide is passed through the hot acidic solution, a black precipitate is obtained. The substance is a : Show Answer

Q260) Which of the following statement is wrong? Show Answer

Q261) The final product on the reduction of mercury (II) chloride is Show Answer

Q262) Ammonium dichromate is used in fireworks. The green coloured powder blown in air is Show Answer

Q263) The chemical composition of slag formed during the smelting process in the extraction of copper is Show Answer

Q264) The colourless species is Show Answer

Q265) Which of the following compounds is expected to show similar colour in aqueous medium? Show Answer

Q266) Which is colourless in water? Show Answer

Q267) Which of the following substances has least ionic character? Show Answer

Q268) 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

Q269) In the extraction of iron, slag is produced which is Show Answer

Q270) Which of the following statement is not correct? Show Answer

Q271) General electronic configuration of lanthanides is Show Answer

Q272) Parke's process is used Show Answer

Q273) The colourless species is Show Answer

Q274) The aqueous solution containing which one of the following ions will be colourless? Show Answer

Q275) Which of the following is highly corrosive salt? Show Answer

Q276) Among the following pairs of ions, the lower oxidation state in aqueous solution is more stable than the other in Show Answer

Q277) The fixing process of photographic film involves removal of unchanged silver bromide as Show Answer

Q278) Copper sulphate dissolves in excess of KCN to give Show Answer

Q279) 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

Q280) The correct order of decreasing second ionisation enthalpy of Ti (22), V (23), Cr (24) and Mn (25) is: Show Answer

Q281) Which one of the elements with the following outer orbital configurations may exhibit the largest number of oxidation states? Show Answer

Q282) 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

Q283) Which one of the following ions will give a coloured solution? Show Answer

Q284) Which one of the following ions has the maximum magnetic moment? Show Answer

Q285) Which of the following ions will exhibit colour in aqueous solutions? Show Answer

Q286) Which of the following pairs has the same size? Show Answer

Q287) In the first transition series, the element with highest melting point is Show Answer

Q288) Zr and Hf have almost equal atomic radii and ionic radii because of Show Answer

Q289) The maximum oxidation state of Os is Show Answer

Q290) Ammonium dichromate is used in fire works. The green coloured powder blown in air is Show Answer

Q291) Which of the following metals is used in incandescent lamps? Show Answer

Q292) Which of the following is paramagnetic? Show Answer

Q293) Percentage of gold in 18 carat gold is : Show Answer

Q294) Copper sulphate solution reacts with KCN to form Show Answer

Q295) The outer shell electronic configuration of Gd (Z = 64) is Show Answer

Q296) The stable oxidation state of Ce (Z = 58) is Show Answer

Q297) Chromyl chloride is Show Answer

Q298) Which of the following has maximum number of unpaired electrons? Show Answer

Q299) The orange colour of dichromate solution changes to yellow on heating with alkalies due to the formation of Show Answer

Q300) In which of the following set, all the ions are white? Show Answer

Q301) Which of the following statements is false? Show Answer

Q302) Which of the following is most acidic? Show Answer

Q303) Which of the following is ionic? Show Answer

Q304) Which of the following oxoanion is not possible? Show Answer

Q305) Which of the following is least basic? Show Answer

Q306) Which of the following is explosively unstable? Show Answer