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Why do nitrobenzene form azobenzene on reaction with LiAlH4 whereas reaction with LiAlH4 should give C6H5NH2..?

Why do nitrobenzene form azobenzene on reaction with LiAlH4 whereas reaction with LiAlH4 should give C6H5NH2..?

Grade:12

2 Answers

Vikas TU
14149 Points
7 years ago
Azobenzene would form on coupling reaction not with LiAlH4.
With reagent LiAlH4 it should definitely form Aniline as it reduces all the NO2 groups to -NH2 form. 
Shivam
11 Points
7 years ago
When there is nitrobenzene with reagent Lialh4 it always form azobenzene because ut takes two moles of nitro benzene and lialh4 reduces that to ndoubke bond n azobenzene

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