question_answer

The combustion of benzene (l) gives \[\text{C}{{\text{O}}_{2}}(g)\] and\[{{\text{H}}_{\text{2}}}\text{O(l)}\]. Given that heat of combustion of benzene at constant volume is \[\text{-3263}\text{.9 kJ mo}{{\text{l}}^{\text{-1}}}\] at \[\text{25 }\!\!{}^\circ\!\!\text{ C}\]; heat of combustion (in\[\text{kJ mo}{{\text{l}}^{\text{-1}}}\]) of benzene at constant pressure will be:                       [JEE Main Online 08-04-2018] \[\text{(R=8}\text{.314 J}{{\text{K}}^{\text{-1}}}\text{ mo}{{\text{l}}^{\text{-1}}}\text{)}\]

A)  3260              

B)  -3267.6

C)  4152.6                       

D)  -452.46