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NEET2026Chemistry-Organic Chemistry

NEET 2026 Chemistry Alcohols and Haloalkanes MCQ Question

Type: MCQ-conceptual-Medium-Class 11

In the following reaction sequence, X and Z respectively are: CH₃CH₂CH₂ − OH + PCl₅ ⟶ CH₃CH₂CH₂Cl + X + HCl

Question diagram
A

X = POCl₃; Z = CH₃ − CH − CH₃ Br

B

X = POCl₃; Z = CH₃CH₂CH₂ − Br

C

X = H₃PO₃; Z = CH₃ − CH − CH₃ Br

D

X = H₃PO₃; Z = CH₃CH₂CH₂ − Br

Correct Answer

Option B

Detailed Explanation

In the reaction sequence, the alcohol reacts with PCl₅ to form the corresponding alkyl chloride and POCl₃. The subsequent reaction with HBr converts the alkyl chloride to the alkyl bromide.

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