In a gaseous reaction of the type
`aA+bBrarrcC+dD`, which is wrong:

Options

A. `a "litre of"A` combines with `b "litre of"B` to give `C` and `D`
B. `a "mole of" A` combines with `b "mole of" B` to give `C` and `D`
C. `a g "of" A` combines with `b g "of" B` to give `C` and `D`
D. `a "molecules of" A` combines with `b "molecules of" B` to give `C` and `D`

Answer

C

Explanation

Stoichiometry represents mole ratio or volume ratio of reactant and products.