In the above reaction, 3.9 g of benzene on nitration gives 4.92 g of nitrobenzene. The percentage yield of nitrobenzene in the above reaction is \ \…

In the above reaction, $\displaystyle 3.9$ g of benzene on nitration gives $\displaystyle 4.92$ g of nitrobenzene. The percentage yield of nitrobenzene in the above reaction is \_\_\_\_%. (Round off to the Nearest Integer). (Given atomic mass : C : $\displaystyle 12.0 \mathrm{u}, \mathrm{H}: 1.0 \mathrm{u}, \mathrm{O}: 16.0 \mathrm{u}, \mathrm{N}: 14.0 \mathrm{u}$ )