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


Q82) Which of the following is also known as pyrene? Show Answer


Q83) Which of the following will have maximum boiling point? Show Answer


Q84) Gammexane is the name given to Show Answer


Q85) Chloretone is obtained by reacting chloroform with Show Answer


Q86) Carbon atom holding halogen in aryl halides is Show Answer


Q87) Westrosol has the formula Show Answer


Q88) The most suitable reagents required to prepare iodobutane from 1 - butene are: Show Answer


Q89) Thioalcohols are prepared by treating alkyl halides with Show Answer


Q90) Slow oxidation of chloroform in air leads to the formation of Show Answer


Q91) A positive carbylamine test is given by Show Answer


Q92) Ethyl bromide can be obtained by the action of HBr on Show Answer


Q93) In the Reimer Tiemann reaction, the electrophile is Show Answer


Q94) The conversion of 2, 3 - dibromobutane to 2 - butene with zinc and alcohol is Show Answer


Q95) Which of the following compounds will not give positive iodoform test? Show Answer


Q96) 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


Q97) Which of the following has highest nucleophilicity? Show Answer


Q98) In the presence of peroxide, hydrogen chloride and hydrogen iodide do not give anti Markovnikov addition to alkenes because Show Answer


Q99) The most reactive nucleophile among the following is Show Answer


Q100) Among the following the molecule with the highest dipole moment is Show Answer


Q101) Which of the following compounds is not chiral? Show Answer


Q102) Alkyl halides react with lithium dialkyl copper reagents to give Show Answer


Q103) How many monochlorobutanes will be possible on chlorination of n - butane? Show Answer


Q104) Tetrabromoethane on treatment with alcoholic zinc gives Show Answer


Q105) Isopropyl chloride undergoes hydrolysis by Show Answer


Q106) A compound that will form an offensive smell when heated with chloroform and alcoholic potash is: Show Answer


Q107) On warming with silver powder, chloroform is converted into Show Answer


Q108) The compound pyrene used in fire extinguishers is: Show Answer


Q109) Which of the following is a secondary alkyl halide? Show Answer


Q110) The reactivity order of halides for dehydrohalogenation is Show Answer


Q111) Benzene hexachloride has a trade name Show Answer


Q112) Aniline, chloroform and alcoholic KOH react to produce a bad smelling substance, which is Show Answer


Q113) Allyl chloride on dehydrochlorination gives Show Answer


Q114) Which of the following are arranged in the decreasing order of dipole moment? Show Answer


Q115) Chloropicrin is obtained by the reaction of Show Answer


Q116) Among the following the most reactive towards alcoholic KOH is: Show Answer


Q117) 1, 2 - Dibromoethane when heated with alcoholic potash gives: Show Answer


Q118) 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


Q119) Which of the following is liquid at room temperature Show Answer


Q120) The raw materials for the commercial manufacture of DDT are Show Answer


Q121) 1 - Phenyl - 2- chloropane on treatment with alcoholic KOH gives mainly Show Answer


Q122) Which of the following compound has the highest boiling point? Show Answer


Q123) Which of thefollowing reactions is an example of nucelophilic substitution reaction? Show Answer


Q124) Methyl bromide reacts with AgF to give methyl fluoride and AgBr. This reaction is called Show Answer


Q125) Which of the following is the least reactive towards nucleophile? Show Answer


Q126) Which compound would be obtained as the major product on refluxing 2 - chloro - 2 - methyl butane with alcoholic KOH solution? Show Answer


Q127) In which of the following compounds, Cl is not easily replaced? Show Answer


Q128) Which of the following reactions is an example of Wurtz reaction? Show Answer


Q129) Which of the following alkyl halides is isopropyl chloride? Show Answer


Q130) Silver benzoate will react with bromine in acetone to form Show Answer


Q131) Propyl benzene reacts with bromine in the presence of light and heat to give. Show Answer


Q132) Which of the following has highest boiling point? Show Answer


Q133) What would be the product formed when 1 - bromo - 3 - chloro cyclobutane reacts with two equivalents of metallic sodium in ether? Show Answer


Q134) Which of the following is a free radical substitution reaction? Show Answer


Q135) Which one is a nucleophilic substitution reaction among the following? Show Answer


Q136) Which of the following is the correct structure of D.D.T ? Show Answer


Q137) Which of the following is an example of allylic halide? Show Answer


Q138) Which of the following chloro derivatives of benzene would undergo hydrolysis most readily with aqueous KOH to give the corresponding hydroxy derivative? Show Answer


Q139) Which of the following is an example of Sandmeyer's reaction? Show Answer


Q140) Which of the following would undergo hydrolysis most readily with aqueous NaOH to form corresponding hydroxy derivatives? Show Answer