One litre of a gas weighs `3.57 xx 10^-3` kg at N.T. P.
The gas is ________ . ( C = 12, O = 16, S = 32)

Options

A. Carbon monoxide
B. Sulphur dioxide
C. Sulphur trioxide
D. Carbon dioxide

Answer

C

Explanation

(a) `(28)/(22.4) = 1.25 g =1.25 xx10^(-3)kg`
(b) `(64)/(22.4) = 2.857g = 2.857 xx10^(-3) kg`
( c) `(80)/(22.4) = 3.57 g = 3.57 xx10^(-3) kg`
(d) `(44)/(22.4) = 1.96 g = 1.96xx10^(-3) kg`
The correct answer is ( c).