Verified Solution • 2025–26 Session moderate

QJEEM25Cheffe: JEE Main 2025 Chemistry - Class 12 JEEM25Cheffe Solution: Identify correct statements : (A) Primary amines do not give…

Identify correct statements :

(A) Primary amines do not give diazonium salts when treated with NaNO2\mathrm{NaNO}_2 in acidic condition.

(B) Aliphatic and aromatic primary amines on heating with CHCl3\mathrm{CHCl}_3 and ethanolic KOH form carbylamines.

(C) Secondary and tertiary amines also give carbylamine test.

(D) Benzenesulfonyl chloride is known as Hinsberg's reagent.

(E) Tertiary amines reacts with benzenesulfonyl chloride very easily.

Choose the correct answer from the options given below :

Multiple Choice Options

  • A (B) and (C) only
  • B (D) and (E) only
  • C (A) and (B) only
  • D (B) and (D) only

Step-by-Step Verified Solution

(A) R−NH2→HClNaNO2R−N2⊕Cl⊖\mathrm{R}-\mathrm{NH}_2 \xrightarrow[\mathrm{HCl}]{\mathrm{NaNO}_2} \mathrm{R}-\mathrm{N}_2^{\oplus} \mathrm{Cl}^{\ominus}

(B) JEE Main 2025 (Online) 28th January Evening Shift Chemistry - Compounds Containing Nitrogen Question 7 English Explanation 1

(C) Only primary amine gives carbyl amine test

(D) JEE Main 2025 (Online) 28th January Evening Shift Chemistry - Compounds Containing Nitrogen Question 7 English Explanation 2

(E) Tertiary amine do not react with Ph−SO2Cl\mathrm{Ph}-\mathrm{SO}_2 \mathrm{Cl}

So correct options are (B) and (D) only

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