JEE Mains Chemistry Past PapershardMCQ SINGLE

The major product [B] in the following reaction is : (A) CH2=CH2 (D) CH3–CH2CH=CH–CH3JEE Mains Chemistry Past Papers Chemistry Question

Question

The major product [B] in the following reaction is : (A) CH2=CH2 (D) CH3–CH2CH=CH–CH3

Answer: B

💡 Solution & Explanation

CH3—CH2—CH—CH2—O—CH2—CH3 CH3 HI (SN2) CH3—CH2—CH—CH2—OH + CH3—CH2—I CH3 H2SO4/ E1 CH3—CH2—CH—CH2+ CH3 rearrangment CH3—CH2—C—CH3 CH3 +  CH3—CH2—C CH3 CH2 + CH3—CH=C CH3 CH3 Major product

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