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Alkyl Halides Carbon-Halogen Bond Strength

1

Choose the best answer

The correct decreasing order of C–X bond enthalpy is:

Verified Answer & Explanation⌄

Correct Answer: A) CH₃F > CH₃Cl > CH₃Br > CH₃I

Concept Explanation

Down the halogen group, atomic size and C–X bond length increase, so orbital overlap becomes weaker and bond enthalpy decreases.

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