Assertion (A): | 2-butyne on controlled hydrogenation with Pd/CaCO3 (Lindlar's catalyst) in presence of PbO gives cis 2-butene. |
Reason (R): | Hydrogenation occurs at the surfaces of metal-containing adsorbed hydrogen. |
1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
3. | (A) is true but (R) is false. |
4. | Both (A) and (R) are false. |
Prefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Audio/Video/Text Solutions via Telegram Bot
NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyAssertion (A): | 2-Bromobutane, in reaction with sodium ethoxide in ethanol, gives 1-butene as a major product. |
Reason (R): | 1-Butene is more stable than 2-butene. |
1. | Both (A) and (R) are True and (R) is the correct explanation of (A). |
2. | Both (A) and (R) are True but (R) is not the correct explanation of (A). |
3. | (A) is True but (R) is False. |
4. | Both (A) and (R) are False. |
Prefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Audio/Video/Text Solutions via Telegram Bot
NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyAssertion(A): | The addition of HBr on 2-butene gives two isomeric products. |
Reason(R): | The addition of HBr on 2-butene follows Markovnikov's rule. |
1. | Both (A) and (R) are True, and (R) correctly explains (A). |
2. | Both (A) and (R) are True, but (R) does not correctly explain (A).. |
3. | (A) is True, but (R) is False. |
4. | Both (A) and (R) are False. |
Prefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Audio/Video/Text Solutions via Telegram Bot
NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyPrefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Audio/Video/Text Solutions via Telegram Bot
NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyPrefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Audio/Video/Text Solutions via Telegram Bot
NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyA. | \(\mathrm{CH}_{2}=\mathrm{CH}-\mathrm{CHO}\) |
B. | \(\left(\mathrm{CH}_{3}\right)_{2} \mathrm{C}=\mathrm{C} \left(\mathrm{CH}_{3}\right)_{2}\) |
C. | \( \ \mathrm{CH}_{3} \mathrm{CH}=\mathrm{CH}-\mathrm{CH}_{3}\) |
D. | \( \mathrm{CH}_{3} \mathrm{C} \equiv \mathrm{C}-\mathrm{CH}_{2}-\mathrm{CH}_{3}\) |
E. | \( \mathrm{CH}_{3}-\mathrm{CH}=\mathrm{CH}_{2}\) |
F. | \(\mathrm{CH}_{3}-\mathrm{C} \equiv \mathrm{C}-\mathrm{CH}_{3}, \) |
Prefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Audio/Video/Text Solutions via Telegram Bot
NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyAssertion(A): | H—Br addition with propene in the presence of organic peroxide gives anti-Markovnikov's addition product. |
Reason(R): | Organic peroxide causes heterolytic cleavage of H—Br. |
1. | Both (A) and (R) are True, and (R) correctly explains (A). |
2. | Both (A) and (R) are True, but (R) does not correctly explain (A). |
3. | (A) is True, but (R) is False. |
4. | Both (A) and (R) are False. |
Prefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Audio/Video/Text Solutions via Telegram Bot
NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology