Liquid benzene burns in oxygen according to <br> $2C_6H_{6(l)} + 15O_{2(g)} \to 12CO_{2(g)} + 6H_2O_{(g)}$ <br> How much litres of oxygen are required for complete combustion of $39\;g$ of liquid $C_6H_6$ ?

Question

( A ) 42
( B ) 84
( C ) 22.4
( D ) 11.2