The type of reaction between ethene and chlorine is different from ethane and chlorine.

Name the product of the reaction between ethene and chlorine.

Give the chemical equation for the laboratory preparation of methane from sodium acetate.

Give the chemical equation for the reaction of one mole of ethene with one mole of chlorine gas.

Give the chemical equation for the preparation of ethyne from 1,2-dibromoethane.

Why alkanes give substitution reaction but not addition reaction?