Question

if the weight of 5.6 litres of a gas at N.T.P is 11 gram, the gas is?
A:-phosphine (ph3)
B:-phosgene(COCL2)
C:-Nitric oxide(NO)
D:-Nitrous acid (N2O)

Answer 1

heya.........

The Correct Answer is (4) Nitrous Oxide

Molecular mass of the gas at STP is the weight of 22.4L of the gas,

 i.e. 44g.

(As 5.6 gm of gas weighs 11g)

Mol. mass of nitrous oxide is 44g.



tysm.#gozmit

Answer 2

A will be correct answer.