The vapour density of a gas is given by :

Options

A. V.D = `M. wt.//2`
B. V.D = ("wt. of N molecules of gas")/("wt. of N molecules of" H_2)`
C. V.D = `("wt. of 1 mole of gas")/("wt. of 1 mole of " H_2)`
D. none of these

Answer

A, B, C