Reaction $BaO_2 (s) \rightleftharpoons BaO (s) + O_2(g)$; $\bigtriangleup H = + ve$. In equilibrium condition. Pressure of $O_2$ is depends on : -

Question

( A ) Increase mass of $BaO_2$
( B ) Increase mass of BaO
( C ) Increase temp. on $Eq^m$.
( D ) Increase mass of $BaO_2$ and BaO both