Question:
Assertion (A): The boiling points of alkyl halides decrease in the order $R_1>R_3>R_2>R_4$.
Reason (R): The van der Waals forces of attraction decrease in the order $R_1>R_3>R_2>R_4$.
Assertion (A): The boiling points of alkyl halides decrease in the order $R_1>R_3>R_2>R_4$.
Reason (R): The van der Waals forces of attraction decrease in the order $R_1>R_3>R_2>R_4$.
Reason (R): The van der Waals forces of attraction decrease in the order $R_1>R_3>R_2>R_4$.
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Boiling points of alkyl halides are influenced by both molecular size and the type of halogen attached.
Updated On: Jul 11, 2025
- Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of the Assertion (A).
- Both Assertion (A) and Reason (R) are true, but Reason (R) is not the correct explanation of the Assertion (A).
- Assertion (A) is true, but Reason (R) is false.
- Assertion (A) is false, but Reason (R) is true.
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The Correct Option is B
Solution and Explanation
The boiling points of alkyl halides decrease in the order $R_1>R_3>R_2>R_4$, as the molecular size and van der Waals forces of attraction play a major role. However, Reason (R) does not explain Assertion (A) correctly, as it is not the only factor influencing the boiling points of alkyl halides.
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