Select Chapter Topics:
Q. No.| (A) |  |
(B) |  |
| (C) |  |
(D) |  |
2. (C) > (A) > (B) > (D)
3. (B) > (C) > (D) > (A)
4. (C) > (B) > (A) > (D)
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology| 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. |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology| Assertion (A): | In strongly acidic solutions, aniline becomes more reactive towards electrophilic reagents. |
| Reason (R): | The amino group being completely protonated in a strongly acidic solution, the lone pair of electrons on the nitrogen is no longer available for resonance |
| 1. | Both (A) & (R) are True and the reason is the correct explanation of the (A). |
| 2. | Both (A) & (R) are True but the reason is not the correct explanation of the (A). |
| 3. | (A) is True but (R) is False. |
| 4. | (A) is False but (R) is True. |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology| 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) |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe most reactive amine towards dilute hydrochloric acid is:
| 1. |  |
2. |  |
| 3. |  |
4. |  |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology| 1. |  |
2. |  |
| 3. |  |
4. |  |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology| Assertion (A): | p-Toluidine is a stronger base than m-toluidine. |
| Reason (R): | The methyl group from m-position exerts a smaller electron-donating inductive (+l) effect than from p-position. |
| 1. | Both (A) and (R) are True and (R) is the correct explanation for (A). |
| 2. | Both (A) and (R) are True but (R) is not the correct explanation for (A). |
| 3. | (A) is True but (R) is False. |
| 4. | Both (A) and (R) are False. |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich of the following should be most volatile?
| I. | \(\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{CH}_2 \mathrm{NH}_2\) |
| II. | \(\left(\mathrm{CH}_3\right)_3 \mathrm{~N}\) |
| III. |  |
| IV. | \(\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{CH}_3\) |
| 1. | II | 2. | IV |
| 3. | I | 4. | III |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology
the major products X and Z are:
| 1. |  |
| 2. |  |
| 3. |  |
| 4. |  |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe compound \('A'\) is:
1. \(R-COND_2\)
2. \(R-NH_2\)
3. \(R-ND_2\)
4. \(R-CONH_2\)
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologySelect Chapter Topics:
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