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The reagents that can be used to convert...

The reagents that can be used to convert benzenediazonium chloride to benzene are...

A

`SnCl_(2)//HCl`

B

`CH_(3)CH_(2)OH`

C

`H_(3)PO_(2)`

D

`LiAlH_(4)`

Text Solution

Verified by Experts

The correct Answer is:
B, C
Only `CH_(3)CH_(2)OH and H_(3)PO_(2)` convert benzenediazonium chloride to benzene while `SnCl_(2)//HCl` gives `C_(6)H_(5)NHNH_(2)`. Since diazonium salts are prepared and used in aqueous solution, therefore, `LiAlH_(4)` cannot used to reduce diazonium salts.
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