- 1(current)
Q. No.Which of the following is correct about carbon to carbon bonds?
| a. | The length of carbon to carbon bond increases in the order C≡C, C=C, C-C |
| b. | The strength of the C=C bond is more than the strength of the C-C bond. |
| c. | The carbon atoms are joined by six electrons in the C≡C bond. |
| 1. | b and c only | 2. | a and c only |
| 3. | a, b and c | 4. | a and b only |
Subtopic: Aliphatic Hydrocarbon- Physical Properties |
77%
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| Assertion (A): | The boiling point of neopentane is less than that of isopentane |
| Reason (R): | The higher the branching, the lower the boiling point of a compound. |
| 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. |
Subtopic: Aliphatic Hydrocarbon- Physical Properties |
89%
From NCERT
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| Assertion (A): | Trans-but-2-ene has a higher boiling point than cis-but-2-ene. |
| Reason (R): | Trans-but-2-ene is more polar than cis-but-2-ene. |
| 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. |
Subtopic: Aliphatic Hydrocarbon- Physical Properties |
59%
From NCERT
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Given below are two statements:
| Statement I: | Treatment of 1,2-dibromopropane with zinc produces cyclopropane. |
| Statement II: | The reaction of alkyl halides with any metal is called a substitution reaction. |
| 1. | Statement I is incorrect and Statement II is correct. |
| 2. | Both Statement I and Statement II are correct. |
| 3. | Statement I is correct and Statement II is incorrect. |
| 4. | Both Statement I and Statement II are incorrect. |
Subtopic: Aliphatic Hydrocarbon- Physical Properties |
54%
From NCERT
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- 1(current)
Q. No.
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