Answer 1

Methoxyethane, also known as ethyl methyl ether, is an ethyl group with a bonded methoxy. Methoxyethane is a colourless gaseous ether with a medicine-like odour. It is extremely flammable, and its inhalation may cause asphyxiation or dizziness. As a Lewis base, it can react with Lewis acids to form salts and reacts violently with oxidizing agents. 

a) Preparation of Dimethyl ether (Methoxymethane) from methyl iodide : When methyl iodide is heated with alcoholic sodium methoxide, it gives dimethyl ether.