What is the minimum quantity (in grams) of methyl iodide required for preparing one mole of ethane by Wurtz reaction?

Which one is not prepared by Wurtz reaction ?

Which one is not prepared by wurtz reaction ?

How many gram of sodium (atomic mass 23 u) is required to prepare one mole of ethane from methyl chloride by Wurtz reaction?

The alkyl halides required to prepare by Wurtz reaction are

The alkyl halides required to prepare by wurtz reaction are

The chemical and the reaction conditions required for the preparation of ethane are