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Q. No.What is the structural formula of compound C4H11N, which reacts with HNO2 and is optically active?
1.
2.
3.
4.
Subtopic: Diazonium Salts: Preparation, Properties & Uses |
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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 |
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Consider the following sequence of reaction.
Which of the following option contains the correct structure?
Which of the following option contains the correct structure?
| 1. | A is  |
2. | B is  |
| 3. | C is  |
4. | D is  |
Subtopic: Mechanism |
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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 |
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Subtopic: Identification of Primary, Secondary & Tertiary Amines |
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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 |
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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 |
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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 |
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Identify the product formed from the reaction of chloroform with alcoholic KOH and p-toluidine.
| 1. |  |
| 2. |  |
| 3. |  |
| 4. |  |
Subtopic: Identification of Primary, Secondary & Tertiary Amines |
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Subtopic: Diazonium Salts: Preparation, Properties & Uses |
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