Amines JEE Main previous year questions with solutions

5 solved JEE Main questions on Amines, free to read — no sign-in needed. The full chapter has 219 questions; sign in to attempt the remaining 214 in the exam simulator.

1. Q1JEE Main 2026 (08 Apr, Shift 2)Preparation and Properties of Amines
   Which statements are True? A. In Hoffmann bromamide degradation, $4$ moles of NaOH and $2$ moles of Br$_2$ are consumed per mole of an amide B. Hoffmann bromamide reaction is not given by alkyl amides. C. Primary amines can be synthesized by Hoffmann bromamide degradation. D. Secondary amide on reaction with Br$_2$ and NaOH will give secondary amine. E. The by-products of Hoffmann degradation are Na$_2$CO$_3$, NaBr and H$_2$O. Choose the correct answer from the options given below:
   1. A.A, C and E only
   2. B.B, C and D only
   3. C.C and E only
   4. D.C, D and E only
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   Answer: (C)

   The balanced chemical equation for Hoffmann bromamide degradation is: $\text{R-CONH}_2 + \text{Br}_2 + 4\text{NaOH} \rightarrow \text{R-NH}_2 + \text{Na}_2\text{CO}_3 + 2\text{NaBr} + 2\text{H}_2\text{O}$ Statement A is false because $1$ mole of $\text{Br}_2$ and $4$ moles of $\text{NaOH}$ are consumed per mole of amide. Statement B is false because primary alkyl amides readily undergo this reaction. Statement C is true as the primary product of this reaction is a primary amine. Statement D is false because the reaction is strictly given by primary amides ($\text{R-CONH}_2$), not secondary amides. Statement E is true as the by-products formed are $\text{Na}_2\text{CO}_3$, $\text{NaBr}$, and $\text{H}_2\text{O}$. Therefore, only statements C and E are true. Answer: C and E only
2. Q2JEE Main 2022 (25 Jun, Shift 2)Preparation and Properties of Cyanides
   During halogen test, sodium fusion extract is boiled with concentrated ${HNO}_{3}$ to
   1. A.remove unreacted sodium
   2. B.decompose cyanide or sulphide of sodium
   3. C.extract halogen from organic compound
   4. D.maintain the $pH$ of extract.
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   Answer: (B)

   The sodium fusion extract is first boiled with concentrated nitric acid to decompose cyanide or sulphide of sodium formed during Lassaigne's test. These ions would otherwise interfere with silver nitrate test for halogens.
3. Q3JEE Main 2016 (09 Apr)Separation of mixture of amines
   The test to distinguish primary, secondary and tertiary amines is:
   1. A.Sandmeyer's reaction
   2. B.Carbylamine reaction
   3. C.Idoform test
   4. D.${C}_{6}{H}_{5}S{O}_{2}Cl$
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   Answer: (D)

   The Hinsberg test, which can distinguish primary, secondary, and tertiary amines, is based upon sulfonamide formation. In the Hinsberg test, an amine is reacted with benzene sulfonyl chloride. If a product forms, the amine is either a primary or secondary amine, because tertiary amines do not form stable sulfonamides. If the sulfonamide that forms dissolves in aqueous sodium hydroxide solution, it is a primary amine. If the sulfonamide is insoluble in aqueous sodium hydroxide, it is a secondary amine Benzene sulphonyl chloride is Hinsberg reagent.
4. Q4JEE Main 2007Preparation and Properties of Isocyanides
   In the chemical reaction, $\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{NH}_2-\mathrm{CHCl}_3+3 \mathrm{KOH} \longrightarrow(\mathrm{A})+(\mathrm{B})+3 \mathrm{H}_2 \mathrm{O}$, the compound $\mathrm{(A)}$ and $\mathrm{(B)}$ are respectively
   1. A.$\mathrm{C}_2 \mathrm{H}_5 \mathrm{CN}$ and $3 \mathrm{KCl}$
   2. B.$\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{CONH}_2$ and $3 \mathrm{KCl}$
   3. C.$\mathrm{C}_2 \mathrm{H}_5 \mathrm{NC}$ and $\mathrm{K}_2 \mathrm{CO}_3$
   4. D.$\mathrm{C}_2 \mathrm{H}_5 \mathrm{NC}$ and $3 \mathrm{KCl}$
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   Answer: (D)

   It is example of carbylamine reaction. so, the product will be $\mathrm{C}_2 \mathrm{H}_5 \mathrm{NC}$ and $\mathrm{KCl}$. Hence, (D) is the correct answer.
5. Q5JEE Main 2026 (05 Apr, Shift 2)Preparation and Properties of Amines
   Given below are two statements : Statement I: Heating benzamide with bromine in an ethanolic solution of sodium hydroxide will give benzylamine. Statement II: Nitration of aniline with $HNO_3/H_2SO_4$ at $288\text{ K}$ produces $m$-nitroaniline in higher amount than $o$-nitroaniline (pH adjusted). In the light of the above statements, choose the correct answer from the options given below :
   1. A.Both Statement I and Statement II are true
   2. B.Both Statement I and Statement II are false
   3. C.Statement I is true but Statement II is false
   4. D.Statement I is false but Statement II is true
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   Answer: (D)

   Statement I describes the Hoffmann bromamide degradation reaction. When benzamide ($C_6H_5CONH_2$) is heated with bromine in an ethanolic solution of sodium hydroxide, it produces aniline ($C_6H_5NH_2$), not benzylamine. Thus, Statement I is false. Statement II describes the nitration of aniline. Direct nitration of aniline with $HNO_3/H_2SO_4$ yields a mixture of $p$-nitroaniline ($51\%$), $m$-nitroaniline ($47\%$), and $o$-nitroaniline ($2\%$). The significant formation of the meta derivative is due to the protonation of aniline in the strongly acidic medium to form the anilinium ion, which is meta-directing. Since $47\% \gt 2\%$, $m$-nitroaniline is produced in a higher amount than $o$-nitroaniline. Thus, Statement II is true. Answer: Statement I is false but Statement II is true