In a closed vessel of 5 litres capacity, 1 g of `O_(2)` is heated from `300` to `600 K`. Which statement is not correct ?

Options

A. Pressure of the gas increases
B. The rate of collision increases
C. The number of moles of gas increases
D. The energy of gaseous molecules increases

Answer

C

Explanation

In a closed flask on heating the no. of moles does not change.