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Assertion (A) : Nucleophilic substitution of iodoethane is easier than chloroethane. Reason (R) : Bond enthalpy of C-I bond is less than that of C-Cl bond. - Chemistry

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प्रश्न

Assertion (A) : Nucleophilic substitution of iodoethane is easier than chloroethane.

Reason (R) : Bond enthalpy of C-I bond is less than that of C-Cl bond.

विकल्प

  • Both (A) and (R) are true and (R) is the correct explanation of (A).

  • Both (A) and (R) are true, but (R) is not the correct explanation of (A).

  • (A) is true, but (R) is false.

  • (A) is false, but (R) is true.

MCQ

उत्तर

Both (A) and (R) are true and (R) is the correct explanation of (A).

Explanation:

Iodine is a better leaving group than chlorine because of its larger size, it will be released at a higher rate in the presence of an incoming nucleophile.

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