Practice Test

Q1) If the two chlorine atoms are attached to the same carbon atom of an alkane, it is termed as Show Answer

Q2) Wurtz synthesis is carried out by treating Show Answer

Q3) Darzen's reaction is Show Answer

Q4) The product of reaction of alcoholic silver nitrite with ethyl bromide is Show Answer

Q5) When chloroform is exposed to light and damp air, it gives (among other products) Show Answer

Q6) Chloroform on heating with silver powder gives Show Answer

Q7) If methyl bromide and ethyl bromide are mixed in equal proportion and the mixture is treated with sodium, the number of possible organic products is Show Answer

Q8) 1 - Chlorobutane on reaction with alcoholic KOH gives Show Answer

Q9) The typical reaction of alkyl halide is: Show Answer

Q10) Which of the following compounds is least reactive? Show Answer

Q11) For a given halogen atom, the reactivity is maximum for Show Answer

Q12) The most reactive alkyl halide is Show Answer

Q13) D.D.T is prepared by heating chlorobenzene with Show Answer

Q14) When iodobenzene is heated with copper powder in a sealed tube, it gives Show Answer

Q15) Picric acid is Show Answer

Q16) Under the influence of air and light, chloroform decomposes into Show Answer

Q17) Benzyl chloride on oxidation with copper nitrate gives Show Answer

Q18) A chloroderivative 'X' on treatment with zinc and hydrochloric acid gave a hydrocarbon with five carbon atoms in the molecule. When X is dissolved in ether and treated with sodium, 2, 2, 5, 5 - tetramethyl hexane is obtained. The compound X is Show Answer

Q19) Iodoethane is treated with alcoholic KCN and the product obtained is hydrolysed with dil. HCl. The final product is Show Answer

Q20) When ethylamine is heated with chloroform and alcoholic KOH, a compound with offensive smell is formed. This compound is Show Answer

Q21) Carbon tetrachloride is used in fire extinguishers under the name of Show Answer

Q22) 1 - Phenyl - 2 - chloropropane when treated with alcoholic potash gives mainly Show Answer

Q23) B.H.C. is used as a pesticide in agriculture under the trade name Show Answer

Q24) Alkyl halides on treatment with aqueous KOH give Show Answer

Q25) Chloroform condenses with acetone to form a compound which is used as Show Answer

Q26) On heating ethylene dichloride with alcoholic potash, the product formed is Show Answer

Q27) Pure sample of chloroform can be prepared by distilling chloral with concentrated aqueous solution of Show Answer

Q28) Which of the following does not give iodoform test? Show Answer

Q29) The major product obtained when 2 - bromobutane is heated with alcoholic KOH is Show Answer

Q30) Chloroform reacts with phenol and sodium hydroxide to give Show Answer

Q31) Ethyl bromide reacts with silver cyanide to give Show Answer

Q32) A sample of chloroform before being used as an anesthetic is tested by Show Answer

Q33) Chloroform on reduction with zinc and HCl produces Show Answer

Q34) Chlorobenzene can be prepared by reacting aniline with Show Answer

Q35) The reaction involving the treatment of benzene diazonium chloride with copper powder and HCl is known as Show Answer

Q36) Fluorobenzene is prepared by treating benzene diazonium chloride with fluoroboric acid and heating the product obtained. This reaction is known as Show Answer

Q37) The reaction of an aromatic halogen compound and an alkyyl halide in the presence of sodium and dry ether is known as Show Answer

Q38) The silver salt of a fatty acid refluxing with an alkyl halide gives Show Answer

Q39) When chloroform is hydrolysed with aqueous potassium hydroxide, it forms Show Answer

Q40) 1 - Chlorobutane on reaction with alcoholic potash gives Show Answer

Q41) Methyl bromide reacts with silver acetate to give Show Answer

Q42) In Wurtz synthesis, the reactivity of alkyl halides with sodium metal follows the order Show Answer

Q43) Chloroform easily gets converted to poisonous phosgene in the presence if air and sunlight. Which of the following substances is added to prevent the formation of phosgene? Show Answer

Q44) Chlorination of toluene in the presence of sunlight gives Show Answer

Q45) Which of the following processes does not occur during the formation of chloroform from ethyl alcohol and bleaching powder? Show Answer

Q46) Iodoform test is gives by Show Answer

Q47) Chlorobenzene is commercially prepared by Show Answer

Q48) Ethylidene chloride and ethylene chloride are isomeric compounds. Which of the following statements is not true about these? Show Answer

Q49) On heating ethyl bromide with an alloy of leadsodium gives Show Answer

Q50) Chlorobenzene on reduction with Na/Al alloy and alcohol gives Show Answer

Q51) Aryl halides are less reactive than alkyl halides towards nucleophilic substitution reactions because of Show Answer

Q52) Which of the following with aqueous KOH gives acetaldehyde? Show Answer

Q53) A mixture of 1 - chloropropane and 2 -chloropropane when treated with alcoholic KOH gives Show Answer

Q54) The densitis of alkyl halides follow the order Show Answer

Q55) Benzyl chloride reacts with chlorobenzene in the presence of dry ether to give Show Answer

Q56) Carbylamine test is performed on alcoholic KOH by heating a mixture of Show Answer

Q57) Which of the following alkyl halides undergoes elimination reaction readily? Show Answer

Q58) Which of the following with aqueous KOH give ethanal? Show Answer

Q59) Which of the following statements is not correct? Show Answer

Q60) Chlorination of toluene in the presence of light and heat followed by treatment with aqueous sodium hydroxide gives Show Answer

Q61) 1 - Phenyl -2 - chloropropane when treated with alc. KOH gives mainly Show Answer

Q62) Benzene hexachloride is used as Show Answer

Q63) The reaction of tert. Butyl bromide with sodium methoxide produces mainly Show Answer

Q64) Iodoform is formed when ethanol is heated with Show Answer

Q65) When aniline is heated with chloroform and alcoholic KOH, a foul smelling product is formed. It is Show Answer

Q66) Iodoform reaction is positive for Show Answer

Q67) Iodoethane reacts with sodium in ether and the product is Show Answer

Q68) Which of the following compounds on oxidation gives benzoic acid? Show Answer

Q69) The reaction of t - butyl chloride and sodium ethoxide gives mainly Show Answer

Q70) Aerial oxidation of chloroform in sunlight to phosgene is checked by Show Answer

Q71) 1, 3 - Dibromopropane reacts with metallic zinc to form Show Answer

Q72) Which of the following can take part in nucleophilic and also in electrophilic substitution reactions? Show Answer

Q73) Which of the following is an organometallic compounds? Show Answer

Q74) Chloroform on a commercial scale can be prepared by distilling acetone with Show Answer

Q75) Which is the correct method for the preparation of 2 - bromo propane? Show Answer

Q76) Which of the following methods will give allyl chloride? Show Answer

Q77) Phosgene is a common name for Show Answer

Q78) When chlorobenzene is heated with conc. NaOH solution at about 575 K under high pressure, the product is Show Answer

Q79) The compound ethylisocyanide is prepared by the reaction between Show Answer

Q80) Which of the following has maximum melting point? Show Answer

Q81) When isopropyl iodide is treated with methyl iodide in the presence of sodium, the product is: Show Answer

Q82) Which of the following reagents cannot be used to prepare an alkyl halide from an alcohol? Show Answer

Q83) Westrosol is a commercial solvent used for oils, paints, varnishes etc. It is obtained from Show Answer

Q84) Which of the following is also known as pyrene? Show Answer

Q85) Which of the following will have maximum boiling point? Show Answer

Q86) Gammexane is the name given to Show Answer

Q87) Chloretone is obtained by reacting chloroform with Show Answer

Q88) Carbon atom holding halogen in aryl halides is Show Answer

Q89) Which of the following is a gem dihalide? Show Answer

Q90) Westrosol has the formula Show Answer

Q91) The most suitable reagents required to prepare iodobutane from 1 - butene are: Show Answer

Q92) Thioalcohols are prepared by treating alkyl halides with Show Answer

Q93) Methylene chloride on hydrolysis gives Show Answer

Q94) Which of the following is least reactive towards nucleophilic substitution reaction? Show Answer

Q95) Slow oxidation of chloroform in air leads to the formation of Show Answer

Q96) For converting aniline into chlorobenzene which of the following reagent is not used? Show Answer

Q97) Which of the following will react with water? Show Answer

Q98) A positive carbylamine test is given by Show Answer

Q99) Ethyl bromide can be obtained by the action of HBr on Show Answer

Q100) In the Reimer Tiemann reaction, the electrophile is Show Answer

Q101) How many enantiomeric pairs can be obtained by monobromination of isopentane? Show Answer

Q102) Among the following compounds, which one has the least percentage of chlorine? Show Answer

Q103) A dihalogen derivative (X) of a hydrocarbone containing three carbon atom, reacts with alc. KOH giving another hybrocarbon which gives red precipitates with ammoniacal CuCl, 'X' gives an aldehyde when treated with aqueous KOH. The compound X is Show Answer

Q104) What mass of propene is formed from 34.0 g of iodopropane on heating with ethanolic KOH, if the yield is 36%? Show Answer

Q105) The conversion of 2, 3 - dibromobutane to 2 - butene with zinc and alcohol is Show Answer

Q106) Which of the following compounds will not give positive iodoform test? Show Answer

Q107) The correct order of increasing boiling points for I: Pentan - 1 ol, II; butan - 2 - ol, III ; Propan -1 - ol, IV ; butan - 1 - ol is Show Answer

Q108) Which of the following has highest nucleophilicity? Show Answer

Q109) In the presence of peroxide, hydrogen chloride and hydrogen iodide do not give anti Markovnikov addition to alkenes because Show Answer

Q110) The most reactive nucleophile among the following is Show Answer

Q111) Among the following the molecule with the highest dipole moment is Show Answer

Q112) Which of the following compounds is not chiral? Show Answer

Q113) Alkyl halides react with lithium dialkyl copper reagents to give Show Answer

Q114) How many monochlorobutanes will be possible on chlorination of n - butane? Show Answer

Q115) Tetrabromoethane on treatment with alcoholic zinc gives Show Answer

Q116) Isopropyl chloride undergoes hydrolysis by Show Answer

Q117) A compound that will form an offensive smell when heated with chloroform and alcoholic potash is: Show Answer

Q118) On warming with silver powder, chloroform is converted into Show Answer

Q119) The compound pyrene used in fire extinguishers is: Show Answer

Q120) Which of the following is a secondary alkyl halide? Show Answer

Q121) The reactivity order of halides for dehydrohalogenation is Show Answer

Q122) Benzene hexachloride has a trade name Show Answer

Q123) Aniline, chloroform and alcoholic KOH react to produce a bad smelling substance, which is Show Answer

Q124) Allyl chloride on dehydrochlorination gives Show Answer

Q125) Which of the following are arranged in the decreasing order of dipole moment? Show Answer

Q126) Chloropicrin is obtained by the reaction of Show Answer

Q127) Among the following the most reactive towards alcoholic KOH is: Show Answer

Q128) 1, 2 - Dibromoethane when heated with alcoholic potash gives: Show Answer

Q129) An alkyl halide produces a single alkene when it reacts with sodium ethoxide and ethanol. This alkene undergoes hydrogenation and produces 2 - methyl butane. What is the identity of the alkyl bromide? Show Answer

Q130) Which of the following is liquid at room temperature Show Answer

Q131) The raw materials for the commercial manufacture of DDT are Show Answer

Q132) 1 - Phenyl - 2- chloropane on treatment with alcoholic KOH gives mainly Show Answer

Q133) Which of the following compound has the highest boiling point? Show Answer

Q134) Which of thefollowing reactions is an example of nucelophilic substitution reaction? Show Answer

Q135) Methyl bromide reacts with AgF to give methyl fluoride and AgBr. This reaction is called Show Answer

Q136) Which of the following is the least reactive towards nucleophile? Show Answer

Q137) The major product obtained when 2 - bromobutane is heated with alcoholoc KOH is Show Answer

Q138) Under the influence of air and light, chloroform decomposes into Show Answer

Q139) When iodobenzene is heated with copper powder in a sealed tube, it gives Show Answer

Q140) Chlorination of toluene in the presence of light and heat followed by treatment with aqueous sodium hydroxide gives Show Answer

Q141) 1, 3 - Dibromopropane reacts with metallic zinc to form Show Answer

Q142) Chloropicrin is obtained by the reaction of Show Answer

Q143) In the Reimer Tiemann reaction, the electrophile is Show Answer

Q144) The most suitable reagents required to prepare iodobutane from 1 - butene are: Show Answer

Q145) Iodoform test given by Show Answer

Q146) Which of the following compounds is least reactive? Show Answer

Q147) Which of the following reagent is used in Grove's process for the preparation of alkyl halide from secondary alcohols? Show Answer

Q148) Which of the following is used as a methylating agent? Show Answer

Q149) Which compound would be obtained as the major product on refluxing 2 - chloro - 2 - methyl butane with alcoholic KOH solution? Show Answer

Q150) In which of the following compounds, Cl is not easily replaced? Show Answer

Q151) Which of the following reactions is an example of Wurtz reaction? Show Answer

Q152) Which of the following alkyl halides is isopropyl chloride? Show Answer

Q153) Silver benzoate will react with bromine in acetone to form Show Answer

Q154) Propyl benzene reacts with bromine in the presence of light and heat to give. Show Answer

Q155) Which of the following has highest boiling point? Show Answer

Q156) What would be the product formed when 1 - bromo - 3 - chloro cyclobutane reacts with two equivalents of metallic sodium in ether? Show Answer

Q157) Which of the following is a free radical substitution reaction? Show Answer

Q158) Which one is a nucleophilic substitution reaction among the following? Show Answer

Q159) Which of the following is the correct structure of D.D.T ? Show Answer

Q160) Which of the following is an example of allylic halide? Show Answer

Q161) Which of the following chloro derivatives of benzene would undergo hydrolysis most readily with aqueous KOH to give the corresponding hydroxy derivative? Show Answer

Q162) Which of the following is an example of Sandmeyer's reaction? Show Answer

Q163) Which of the following would undergo hydrolysis most readily with aqueous NaOH to form corresponding hydroxy derivatives? Show Answer

Q164) Which of the following compound can be hydrolysed very readily? Show Answer