A compound exists in the gaseous phase both as monomer (A) and dimer $(A_2)$. The molecular weight of A is 48 . In an experiment 96g of the compound was confined in a vessel of volume 33.6 litre and heated to $273^{\large\circ}C$. Calculate the pressure developed if the compound exists as dimer to the extent of $50\%$ by weight under these conditions.

Question

$(a)\;1\;atm\qquad(b)\;3\;atm\qquad(c)\;2\;atm\qquad(d)\;1.5\;atm$