Amines PYQs Set 6 (PDF)

Set 6 of 10 · Questions 151-180 of 291

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Mere Teacher · Previous Year Questions JEE Main Chemistry · Amines · Set 6 (Q151-180)
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151. $Which of the following is more basic than aniline?$ (1) $Diphenylamine$ (2) $Triphenylamine$ (3) $p -Nitroaniline$ (4) $Benzylamine$ 152. $The conversion of m -nitrophenol to resorcinol involves respectively$ (1) $hydrolysis, diazotization and reduction$ (2) $diazotization, reduction and hydrolysis$ (3) $hydrolysis, reduction and diazotization$ (4) $reduction, diazotization and hydrolysis.$ 153. $Which one of the following forms propane nitrile as the major product?$ (1) $Ethyl bromide + alcoholic KCN$ (2) $Propyl bromide + alcoholic KCN$ (3) $Propyl bromide + alcoholic AgCN$ (4) $Ethyl bromide + alcoholic AgCN$ 154. $Benzylamine is a stronger base than aniline because$ (1) $the lone pair of electrons on the nitrogen atom in benzylamine is delocalised$ (2) $the lone pair of electrons on the nitrogen atom in aniline is delocalised$ (3) $the lone pait of electrons on the nitrogen atom in aniline is not involved in resonance$ (4) $benzylamine has a higher molecular mass than aniline.$ 155. $CH_{3} CH_{2} Br \to aq . KOH Δ A \to KMnO_{4} / H^{+} Δ B \to NH_{3} Δ C \to Br_{2} alkali D D is$ (1) $CH_{3} Br$ (2) $CH_{3} CONH_{2}$ (3) $CH_{3} NH_{2}$ (4) $CHBr_{3}$ 156. $An aromatic compound A (C_{7} H_{9} N) on reacting with NaNO_{2} / HCl at 0^{\circ} C forms benzyl alcohol and nitrogen gas. The number of isomers possible for the compound A is$ (1) $5$ (2) $7$ (3) $3$ (4) $6$ 157. $In the following reactions, P, Q and R are$ (1) (2) (3) (4) 158. $In which of the following, reagent and product are correctly matched with respect to benzene diazonium chloride as reactant?$ (1) $Cu_{2} O; C_{6} H_{5} Br$ (2) $HI; C_{6} H_{5} I$ (3) $NaNO_{2}; C_{6} H_{5} NO$ (4) $CH_{3} CH_{2} OH; C_{6} H_{6}$ 159. $The product A formed in the following reaction is:$ (1) (2) (3) (4) 160. $The major product (A) formed in the following reaction sequence is$ (1) (2) (3) (4) 161. $Given below are two statements, one is labelled as Assertion (A) and other is labelled as Reason (R). Assertion (R) : Gabriel phthal imide synthesis cannot be used to prepare aromatic primary amines. Reason : Aryl halides do not undergo nucleophilic substitution reaction. choose the correct answer from the options given below:$ (1) $Both (A) and (R) true but (R) is not the correct explanation of (A).$ (2) $(A) is false but (R) is true.$ (3) $Both (A) and (R) true and (R) is correct explanation of (A).$ (4) $(A) is true but (R) is false.$ 162. $Which one of the products of the following reactions does not react with Hinsberg reagent to form sulphonamide?$ (1) (2) (3) (4) 163. $Identify what is Y in the following reaction sequence?$ (1) $CH_{3} NH_{2}$ (2) $CH_{3} CONHBr$ (3) $CH_{3} OH$ (4) $BrCH_{2} CONH_{2}$ 164. $A reaction of benzonitrile with one equivalent C H_{3} M g B r followed by hydrolysis produces a yellow liquid "P". The compound "P" will give positive$ (1) $Iodoform test$ (2) $Schiff's test$ (3) $Ninhydrin's test$ (4) $Tollen's test$ 165. $Hydrolysis of the minor product formed from the reaction of 1-Bromo propane and ethanolic KCN given$ (1) (2) (3) (4) 166. $A given nitrogen-containing aromatic compound ' A' reacts with Sn / HCl, followed by HNO_{2} to give an unstable compound ' B', ' B', on treatment with phenol, forms a beautiful coloured compound ' C' with the molecular formula C_{12} H_{10} N_{2} O . The structure of compound ' A' is [NEET 2016]$ (1) (2) (3) (4) 167. $In the following reaction, the major product (P) formed is$ (1) (2) (3) (4) 168. $What are A, B and C in the following reactions? Phthalic acid + NH_{3} \to A Δ B High temperature C$ (1) (2) (3) (4) 169. $The major products A and B formed in the following reaction sequence are :$ (1) (2) (3) (4) 170. $An aromatic compound ‘A’ having molecular formula C_{7} H_{6} O_{2} on treating with aqueous ammonia and heating forms compound ‘B’. The compound ‘B’ on reaction with molecular bromine and potassium hydroxide provides compound ‘C’ having molecular formula C_{6} H_{7} N . The structure of ‘A’ is :$ (1) (2) (3) (4) 171. $Consider the above reaction and identify "Y"$ (1) $- C H_{2} N H_{2}$ (2) $- C O N H_{2}$ (3) $- C H O$ (4) $- C O O H$ 172. $Identify [A], [B] and [C], respectively in the following reaction sequence:$ (1) (2) (3) (4) 173. $What is molecular formula of cyclohexylamine?$ (1) $C_{6} H_{8} N$ (2) $C_{6} H_{10} N$ (3) $C_{6} H_{12} N$ (4) $C_{6} H_{13} N$ 174. $Which one of the following is the major product of the given reaction?$ (1) (2) (3) (4) 175. $In the reaction of hypobromite with amide, the carbonyl carbon is lost as:$ (1) $CO_{3}^{2 -}$ (2) $HCO_{3}^{-}$ (3) $CO_{2}$ (4) $CO$ 176. $What are structures of X, Y and Z in the above given reaction sequence?$ (1) (2) (3) (4) 177. $Identify the product ' C' in the following reaction: Aniline (CH_{3} CO)_{2} O Pyridine A Br_{2} CH_{3} COOH B H^{+} or OH^{-} C$ (1) $Acctanilide$ (2) $P Bromoacetanilite$ (3) $Promoaniline$ (4) $o- Bromoaniline$ 178. $The correct sequence of reactions to be performed to convert benzene into m -bromoaniline is$ (1) $nitration, reduction, bromination$ (2) $bromination, nitration, reduction$ (3) $nitration, bromination, reduction$ (4) $reduction, nitration, bromination.$ 179. $C_{6} H_{5} CH_{2} Cl \to NH_{3} A \to 2 CH_{3} Cl B The product B is$ (1) $N, N -dimethylphenylmethanamine$ (2) $N, N -dimethylbenzenamine$ (3) $N -benzyl- N -methylmethanamine$ (4) $phenyl- N - N -dimethylmethanamine.$ 180. $Match List - I with List - II. Choose the correct answer from the options given below :$ (1) $(A)-(IV), (B)-(II), (C)-(III), (D)-(I)$ (2) $(A)-(I), (B)-(IV), (C)-(II), (D)-(III)$ (3) $(A)-(III), (B)-(II), (C)-(I), (D)-(IV)$ (4) $(A)-(II), (B)-(IV), (C)-(I), (D)-(III)$