| Assertion: Boiling point of RCI is greater than RF. |
| Reason: R-CI is more stable than R-F. |
A) Assertion and reason both are correct statements and reason is correct explanation for assertion.
B) Assertion and reason both are correct statements but reason is not correct explanation for assertion.
C) Assertion is correct statement but reason is wrong statement.
D) Assertion is wrong statement but reason is correct statement.
Correct Answer: C
Solution :
For the same alkyl group, the boiling points are in the order \[Rl>RBr\text{ }>RCl>RF\]. This is because with the increase in the size of halogen, the magnitude of van der Waals' force increases and boiling point increases. Bond strength decreases as the size of the halogen increases. \[C{{H}_{3}}F>C{{H}_{3}}Cl>C{{H}_{3}}Br>C{{H}_{3}}l\] and stability decreases as the strength of C-X bond decreases.
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