Question bank/NEET UG/Chemistry

NEET UGChemistryModerateNEET 2025

Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R).
Assertion (A) : [IMAGE] undergoes
SN2S_N2 reaction faster than [IMAGE].
Reason (R) : Iodine is a better leaving group because of its large size.

In the light of the above statements, choose the correct answer from the options given below:




Show answer and solution
Sol. Rate of SN2S_N2 reaction of <image_3> is faster than <image_4>. Because iodine is a good leaving group due to large size of iodine. Which stabilises the I−I^− ion.

Source: geekyrakshit/indian-exam-questions / neet2025-code45

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