When sodium propionate is heated with soda lime,the main product is

How many grams of sodium $(atomic \ mass = 23 \ u)$ are required to prepare one mole of ethane from methyl chloride by the Wurtz reaction?

Among the isomeric alkanes of molecular formula $C_{5}H_{12}$,identify the one that on photochemical chlorination yields:
$(i)$ $A$ single monochloride.
$(ii)$ Three isomeric monochlorides.
$(iii)$ Four isomeric monochlorides.

Least hindered rotation about carbon-carbon bond is observed in

If the octane number of a sample of petrol is $40$,it is a mixture of........and............

Which of the following is obtained as the major product when an excess of methane is treated with a limited amount of chlorine in the presence of $UV$ light?