A chloro compound "A". (i) forms aldehydes on ozonolysis followed by the hydrolysis. (ii) when vapor — Hydrocarbons Chemistry Question

Question

A chloro compound "A". (i) forms aldehydes on ozonolysis followed by the hydrolysis. (ii) when vaporized completely 1.53 g of A, gives 448 mL of vapour at STP. The number of carbon atoms in a molecule of compound A is _______.