Ethylenedibromide on treatment with KOH gives

Ethylidene dichloride on treatment with aq. KOH gives

Alkyl halides on treatment with aqueous KOH give :

3-methyl-2 butanol on treatment with HCl gives predominantly

A metallic carbide on treatment with water gives a colourless gas which burns readily in air and gives a red precipitate with Cu_(2) CI_(2) and NH_(4) OH . The metal carbide is :

Ethyl bromide on heating with alcoholic KOH solution gives

An oxide that gives hydrogen perioxide on treatment with dilute H_(2)SO_(4) is :