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Friday, 9 October

JEE Main 2024 · ChemistryMultiple choiceAssertion–reasonEasyConceptual

JEE Main 9 April 2024, Shift 1, Chemistry Q73

Question 73 of 90 in this shift, Chemistry question 13 of 30, Section A.

Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A) : SN2\mathrm{S_N2} reaction of C6H5CH2Br\mathrm{C_6H_5CH_2Br} occurs more readily than the SN2\mathrm{S_N2} reaction of CH3CH2Br\mathrm{CH_3CH_2Br}. Reason (R) : The partially bonded unhybridized p-orbital that develops in the trigonal bipyramidal transition state is stabilized by conjugation with the phenyl ring. In the light of the above statements, choose the most appropriate answer from the options given below :
  1. (1)Both (A) and (R) are correct and (R) is the correct explanation of (A)Official answer
  2. (2)Both (A) and (R) are correct but (R) is not the correct explanation of (A)
  3. (3)(A) is correct but (R) is not correct
  4. (4)(A) is not correct but (R) is correct

Official answer

Option 1

NTA final key.