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Amines · Question 6

JEE Main 2026 (Online) 5th April Morning ShiftMCQMedium📈 Topic in 42% papers+4−1
1

Benzyl isocyanide can be obtained from Choose the correct answer from the options given below :

  1. A and B Only
  2. A and C Only
  3. B and D Only
  4. D and E Only

Answer

(1) A and B Only

Solution

A. Benzyl bromide + AgCN: AgCN is mainly covalent, so the nitrogen end attacks ⇒ C6H5CH2Br + AgCN C6H5CH2NC + AgBr (benzyl isocyanide) ✓

B. Benzylamine (a primary amine) + CHCl3 + alcoholic/aq. KOH or NaOH – carbylamine reaction ⇒ C6H5CH2NH2 + CHCl3 + 3OH- C6H5CH2NC + 3Cl- + 3H2O ✓

C. Bromobenzene: the C–Br bond has partial double-bond character, so aryl halides do not undergo this substitution – no benzyl isocyanide ✗

D. Aniline gives phenyl isocyanide C6H5NC, not benzyl isocyanide ✗

E. KCN is ionic, attack is through carbon ⇒ C6H5CH2CH2CN (a nitrile, and with one extra C) ✗

∴ A and B only

Answer: (1)

JEE Main 2026 (Online) 5th April Morning Shift

Keep practising — Amines

2

Identify the incorrect statements. Choose the correct answer from the options given below:

  1. A and D Only
  2. A and C Only
  3. B and C Only
  4. A and B Only
JEE Main 2026 (Online) 5th April Morning Shift
3

Given below are two statements : In the light of the above statements, choose the correct answer from the options given below :

  1. Both Statement I and Statement II are true
  2. Both Statement I and Statement II are false
  3. Statement I is true but Statement II is false
  4. Statement I is false but Statement II is true
JEE Main 2026 (Online) 5th April Evening Shift
4

Product C of the following reaction sequence will be [figure]

  1. 1-Bromo-4-nitrobenzene
  2. 1, 3, 5-Tribromo-2-nitrobenzene
  3. 4-Bromo-1-nitrobenzene
  4. 1, 3, 5-Tribromobenzene
JEE Main 2026 (Online) 4th April Morning Shift
5

For the given molecule, "x", the preferred site for the attack of the electrophile is : [figure]

  1. Predominantly at "r"
  2. "r" and "u"
  3. "p" and "s"
  4. Predominantly at "u"
JEE Main 2026 (Online) 2nd April Morning Shift
6

Consider the three aromatic molecules (P, Q and R) whose structures have been given below : [figure] The correct order regarding the reactivity of these compounds with Ph- N N Cl under optimum but slightly acidic medium is :

  1. P > Q > R
  2. R > P > Q
  3. R > Q > P
  4. P > R > Q
JEE Main 2026 (Online) 2nd April Morning Shift
7

Identify compounds A and E in the following reaction sequence. [figure]

  1. A = [figure] E = [figure]
  2. A = [figure] E = [figure]
  3. A = [figure] E = [figure]
  4. A = [figure] E = [figure]
JEE Main 2026 (Online) 2nd April Evening Shift
8

Consider the following reactions sequence [figure] When the product (P) is subjected to Carius analysis using AgNO3, 1.0 g of the product (P) will produce g of the precipitate of AgBr. (Nearest Integer) (Given : molar mass in g mol-1 C : 12, H : 1, O : 16, N : 14, Br : 80, Ag : 108)

JEE Main 2026 (Online) 2nd April Evening Shift
9

Consider the following reactions giving major product. Identify the correct reaction.

  1. [figure]
  2. [figure]
  3. [figure]
  4. H3CCH2- O \|C-NH2 + Br2 + 4 KOH (alc) H3CCH2NH2 + 2KBr + K2CO3 + 2H2O
JEE Main 2026 (Online) 28th January Morning Shift
10

A student performed analysis of an aliphatic organic compound 'X' which on analysis gave C = 61.01%, H = 15.25%, N = 23.74%. This compound, on treatment with HNO2/H2O, produced another compound 'Y' which did not contain any nitrogen atom. However, the compound 'Y' upon controlled oxidation produced another compound 'Z' that responded to iodoform test. The structure of 'X' is :

  1. CH3-CH2CH(NH2)-CH3
  2. CH3CH2CH2NH2
  3. Ph-CH(CH3)-NH2
  4. [figure]
JEE Main 2026 (Online) 28th January Evening Shift
11

Total number of alkali-insoluble solid sulphonamides obtained by reaction of given amines with Hinsberg's reagent is . Aniline, N-Methylaniline, Methanamine, N,N-Dimethylmethanamine, N-Methylmethanamine, Phenylmethanamine, N-Propylaniline, N-Phenylaniline, N,N-Dimethylaniline, Allylamine, Isopropylamine

  1. 8
  2. 5
  3. 2
  4. 4
JEE Main 2026 (Online) 28th January Evening Shift

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