Amines & Nitrogen Compounds · JEE Main previous year questions

2026 13 questions

1. Q682026 · 8 Apr 2026 · Shift 2

   Which statements are True ? A. In Hoffmann bromamide degradation, 4 moles of $\mathrm{NaOH}$ and 2 moles of $\mathrm{B}{\mathrm{r}}_2$ 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 $\mathrm{B}{\mathrm{r}}_2$ and $\mathrm{NaOH}$ will give secondary amine. E. The by-products of Hoffmann degradation are $\mathrm{N}{\mathrm{a}}_2\mathrm{C}{\mathrm{O}}_3$, $\mathrm{NaBr}$ and ${\mathrm{H}}_2\mathrm{O}$. 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
   Show answer

   Answer: C

2. Q702026 · 6 Apr 2026 · Shift 1

   Match the LIST-I with LIST-II $$\begin{array}{llll}\text{List-I}& & \text{List-II}& \\ \text{Amino acid}& & \text{Positive reaction/Test for functional}& \\ & & \text{group present in side chain of}& \\ & & \text{amino acid}& \\ \text{A.}& \text{Glutamine}& \text{I.}& \text{Hinsberg’s test}\\ \text{B.}& \text{Lysine}& \text{II.}& \text{Neutral }\mathrm{FeC}{\mathrm{l}}_3\text{ test}\\ \text{C.}& \text{Tyrosine}& \text{III.}& \text{Ceric ammonium nitrate test}\\ \text{D.}& \text{Serine}& \text{IV.}& \text{Hoffman bromamide degradation}\end{array}$$ Choose the correct answer from the options given below:

   1. A.A-IV, B-II, C-I, D-III
   2. B.A-IV, B-I, C-II, D-III
   3. C.A-III, B-II, C-I, D-IV
   4. D.A-IV, B-I, C-III, D-II
   Show answer

   Answer: B

3. Q722026 · 6 Apr 2026 · Shift 1· Numerical answer
   
   Show answer

   Answer: 21

4. Q682026 · 6 Apr 2026 · Shift 2
   
   1. A.5
   2. B.4
   3. C.3
   4. D.6
   Show answer

   Answer: C

5. Q662026 · 5 Apr 2026 · Shift 1
   
   1. A.A and B Only
   2. B.A and C Only
   3. C.B and D Only
   4. D.D and E Only
   Show answer

   Answer: A

6. Q682026 · 5 Apr 2026 · Shift 1
   
   1. A.A and D Only
   2. B.A and C Only
   3. C.B and C Only
   4. D.A and B Only
   Show answer

   Answer: C

7. Q672026 · 5 Apr 2026 · Shift 2

   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 $\mathrm{HN}{\mathrm{O}}_3/{\mathrm{H}}_2\mathrm{S}{\mathrm{O}}_4$ at $288\mathrm{K}$ produces $m$-nitroaniline in higher amount than $o$-nitroaniline ($\mathrm{pH}$ adjusted). In the light of the above statements, choose the $\underline{\text{correct}}$ 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
   Show answer

   Answer: D

8. Q702026 · 4 Apr 2026 · Shift 2
   
   1. A.A-III, B-I, C-IV, D-II
   2. B.A-III, B-IV, C-I, D-II
   3. C.A-I, B-III, C-II, D-IV
   4. D.A-I, B-II, C-III, D-IV
   Show answer

   Answer: A

9. Q622026 · 2 Apr 2026 · Shift 1

   Match List - I with List - II. $$\begin{array}{llll}& \text{List - I}& & \text{List - II}\\ & \text{Chromium (III) Complexes}& & {\Delta }_0(\mathrm{c}{\mathrm{m}}^{-1})\\ & (\mathrm{en}=\mathrm{ethylene}\mathrm{diamine})& & \\ \text{A.}& [\mathrm{Cr}(\mathrm{CN}{)}_6{]}^{3-}& \text{I.}& 15,060\\ \text{B.}& [\mathrm{Cr}{\mathrm{F}}_6{]}^{3-}& \text{II.}& 17,400\\ \text{C.}& [\mathrm{Cr}({\mathrm{H}}_2\mathrm{O}{)}_6{]}^{3+}& \text{III.}& 22,300\\ \text{D.}& [\mathrm{Cr}(\mathrm{en}{)}_3{]}^{3+}& \text{IV.}& 26,600\end{array}$$ Choose the correct answer from the options given below :

   1. A.A-I, B-II, C-III, D-IV
   2. B.A-II, B-III, C-IV, D-I
   3. C.A-III, B-IV, C-I, D-II
   4. D.A-IV, B-I, C-II, D-III
   Show answer

   Answer: D

10. Q692026 · 2 Apr 2026 · Shift 1

    Match List - I with List - II. $$\begin{array}{llll}& \text{List - I}& & \text{List - II}\\ & \text{Vitamin}& & \text{Name}\\ \text{A.}& \text{Vitamin }{\mathrm{B}}_1& \text{I.}& \text{Pyridoxine}\\ \text{B.}& \text{Vitamin }{\mathrm{B}}_2& \text{II.}& \text{Ascorbic acid}\\ \text{C.}& \text{Vitamin }{\mathrm{B}}_6& \text{III.}& \text{Thiamine}\\ \text{D.}& \text{Vitamin C}& \text{IV.}& \text{Riboflavin}\end{array}$$ Choose the correct answer from the options given below :

    1. A.A-II, B-I, C-III, D-IV
    2. B.A-IV, B-III, C-II, D-I
    3. C.A-III, B-IV, C-I, D-II
    4. D.A-I, B-III, C-II, D-IV
    Show answer

    Answer: C

11. Q672026 · 28 Jan 2026 · Shift 1

    Given below are two statements: Statement I : Griess-Ilosvay test is used for the detection of nitrite ion, which involves the use of sulphanilic acid and $\alpha$-naphthylamine reagent. Statement II : In the above test, sulphanilic acid is diazotized by the acidified nitrite ion, which on further coupling with $\alpha$-naphthylamine forms an azo-dye. In the light of the above statements, choose the correct answer from the options given below

    1. A.Statement I is true but Statement II is false
    2. B.Both Statement I and Statement II are false
    3. C.Statement I is false but Statement II is true
    4. D.Both Statement I and Statement II are true
    Show answer

    Answer: D

12. Q532026 · 28 Jan 2026 · Shift 2

    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-Methyl methanamine, Phenylmethanamine, N-propylaniline, N-phenylaniline, N,N-Dimethylaniline, Allyl amine, Isopropyl amine

    1. A.8
    2. B.5
    3. C.2
    4. D.4
    Show answer

    Answer: D

13. Q682026 · 24 Jan 2026 · Shift 1
    
    1. A.$C>D>B>A$
    2. B.$A>C>D>B$
    3. C.$A>B>C>D$
    4. D.$C>A>D>B$
    Show answer

    Answer: B