At which of the following four conditions will the density of nitrogen be the largest?

Options

A. STP
B. 273 K and 2 atm
C. 546 K and 1 atm
D. 546 K and 2 atm

Answer

B

Explanation

Density of a gas is given by `ρ = (PM)/(RT)` . Obviously the choice that has greater `(P)/(T)` would have greater density.