- 1(current)
Q. No.Which of the following sequence of reagents can perform the following conversion:\(\small{\mathrm{CH}_{3}\mathrm{CH}_{2}\mathrm{CH}_{2}\mathrm{OH} \stackrel{?}{\longrightarrow} \mathrm{CH}_{3}\mathrm{CH}_{2}\mathrm{CH}_{2}\mathrm{CH}_{2}\mathrm{NH}_{2}} \)
| 1. | \(SOCl_2 ,KCN , H_2 /Pd \) |
| 2. | \(SOCl_2 ,AgCN , H_2 /Pd \) |
| 3. | \(PCl_5 ,AgCN , H_2 /Pd \) |
| 4. | Red P/HI |
Subtopic: Amines - Preparation & Properties |
77%
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JEE
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Find the correct option regarding the reaction
(a) HNO3 acts as an acid.
(b) H2SO4 acts as an acid.
(c) Major product is formed at the ortho, meta.
(d) Major product is formed at para, meta position.
1. a, b, c, d
2. b, d
3. a, c, d
4. c, d
(a) HNO3 acts as an acid.
(b) H2SO4 acts as an acid.
(c) Major product is formed at the ortho, meta.
(d) Major product is formed at para, meta position.
1. a, b, c, d
2. b, d
3. a, c, d
4. c, d
Subtopic: Amines - Preparation & Properties |
83%
From NCERT
JEE
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A. Phenyl methanamine
B. N, N-Dimethylaniline
C. N-Methyl aniline
D. Benzenamine
Choose the correct order of basic nature of the above amines.
1. A > C > B > D
2. D > C > B > A
3. D > B > C > A
4. A > B > C > D
Subtopic: Amines - Preparation & Properties |
65%
From NCERT
JEE
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Consider the given two statements:
| Statement I: | In the Hofmann rearrangement reaction, the alkyl group shifts from a carbonyl carbon atom to the nitrogen atom. |
| Statement II: | The tertiary amine formed in Hofman rearrangement reaction contains one carbon less than that present in the original amide. |
| 1. | Both Statement I & Statement II are true. |
| 2. | Both Statement I & Statement II are false. |
| 3. | Statement I is true while Statement II is false. |
| 4. | Statement I is false while Statement II is true. |
Subtopic: Amines - Preparation & Properties |
From NCERT
JEE
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Match List I with List II and select the correct answer using the codes given below the Lists:
| List I | List II | ||
| (a) |  |
(i) | Br2/NaOH |
| (b) |  |
(ii) | H2/Pd-BaSO4 |
| (c) |  |
(iii) | Zn(Hg)/Conc.HCl |
| (d) |  |
(iv) | Cl2 /Red P, H2O |
Choose the correct answer from the options given below :
1. (a)–(ii), (b)–(i), (c)–(iv), (d)–(iii)
2. (a)–(iii), (b)–(iv), (c)–(i), (d)–(ii)
3. (a)–(ii), (b)–(iv), (c)–(i), (d)–(iii)
4. (a)–(iii), (b)–(i), (c)–(iv), (d)–(ii)
Subtopic: Amines - Preparation & Properties |
73%
From NCERT
JEE
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What is the correct order of basic strength in aqueous solution among the following compounds?
1. CH3 − NH2
2. CH3 − NH − CH3
3. CH3 − N(CH3)− CH3
4. NH3
1. CH3 − NH2
2. CH3 − NH − CH3
3. CH3 − N(CH3)− CH3
4. NH3
| 1. | 2 > 1 > 3 > 4 | 2. | 3 > 2 > 1> 4 |
| 3. | 4 > 2 > 1> 3 | 4. | 2 > 4 > 3 > 1 |
Subtopic: Amines - Preparation & Properties |
69%
From NCERT
JEE
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Match the organic compounds given in List–I with their corresponding pKb given in List–II:
| Amine (List–I) | List - II pKb (aqueous medium) | ||
| A. | Aniline | (i) | 9.0 |
| B. | Ethanamine | (ii) | 3.29 |
| C. | N-Ethylethanamine | (iii) | 3.25 |
| D. | N,N-diethylethanamine | (iv) | 3.0 |
| A | B | C | D | |
| 1. | (i) | (ii) | (iv) | (iii) |
| 2. | (i) | (iv) | (iii) | (ii) |
| 3. | (i) | (ii) | (iii) | (iv) |
| 4. | (ii) | (iii) | (iv) | (i) |
Subtopic: Amines - Preparation & Properties |
From NCERT
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Subtopic: Amines - Preparation & Properties |
68%
From NCERT
JEE
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- 1(current)
Q. No.
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