A student was asked to convert nitro benzene to benzene. Teacher suggested that he should first treat nitro benzene with Sn and HCI (tin and HCI) and then proceed with the product obtained to get “benzene”. Write down the reactions involved in the above process.

Benzene diazonium chloride when treated with Cu_2CI_2 and HCI, the product formed is chlorobenzene. This reaction is known as________.

Benzene dlazonium chloride when treated with Cu_2Cl_2 and HCI, the product formed is chlorobenzene. This reaction Is known as_______.

i. A student treated CaC_2 with water and the gas formed is passed through a red hot tube. What will be the product? ii. You are provided with the following substances. a. CH_3 Cl , sodium and dry ether b. Benzene, CH_3 Cl and AlCl_3 i. Name the products formed in each case. ii. Name the reactions.