Question

What is the product when you put nitrobenzene and Tin in dilute HCl? How to predict this?

Answer 1

There is no product with dilute HCl but there is with concentrated HCl to give phenylamine `C_6H_5NH_2`

Explanation:

Tin and concentrated HCl form a suitable reducing agent to convert nitrobenzene to phenylamine:

(chemguide.co.uk)

The electrons are provided by the oxidation of tin:

`SnrarrSn^(2+)+2e`

and:

`Sn^(2+)rarrSn^(4+)+2e`

To form the phenylamine base is added:

(chemguide.co.uk)