Question

convert Hexane to propyl class 11. chemistry
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Answer 1

Answer:

To prepare n-hexane from n-propyl alcohol:

CH

3

CH

2

CH

2

OH

X

CH

3

CH

2

CH

2

Br

Y

CH

3

(CH

2

)

4

CH

3

Step 1: is a nucleophilic substitution reaction of OH by Br. This can be done by HBr

Step 2: this reaction is RX→R−R. It is the Wurtz Reaction in the presence of Na and dry ether

Thus the reaction has(X)=HBr,(Y)=Na,ether

CH

3

CH

2

CH

2

OH

HBr

CH

3

CH

2

CH

2

Br

Na/ether

CH

3

(CH

2

)

4

CH

3

+2NaBr

Explanation:

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