Fundamentholfundamenthol
NEET2023Chemistry
Q.

Identify the final product [D] obtained in the following sequence of reactions:

  1. A

    1

  2. B

    2

  3. C

    3

  4. D

    4

Solution

Step (i)–(ii): LiAlH then HO reduces acetaldehyde to ethanol [A].

Step iii: HSO/ dehydrates ethanol to ethene [B].

Step iv: HBr adds across the double bond to give ethyl bromide [C].

Step v: Wurtz–Fittig reaction — ethyl bromide and bromobenzene with Na in dry ether couple to give ethylbenzene [D].

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