Consider the above reaction where $6.1 \mathrm{g}$ of benzoic acid is used to get $7.8 \mathrm{g}$ of m-bromo benzoic acid. The percentage yield of the product is ___ .

(Round off to the Nearest integer)

[Given : Atomic masses : $\mathrm{C}=12.0 \mathrm{u}, \mathrm{H}:1.0 \mathrm{u}, \mathrm{O}:16.0 \mathrm{u}, \mathrm{Br}=80.0 \mathrm{u}$]

Consider the above reaction. The percentage yield of amide product is (Round off to the Nearest Integer). (Given : Atomic mass : $\mathrm{C}:12.0\mathrm{u},\mathrm{H}:1.0\mathrm{u}$ $\mathrm{N}:14.0\mathrm{u},\mathrm{O}:16.0\mathrm{u},\mathrm{Cl}:35.5\mathrm{u})$

In the above reaction, $3.9 \mathrm{g}$ of benzene on nitration gives $4.92 \mathrm{g}$ of nitrobenzene. The percentage yield of nitrobenzene in the above reaction is _________ $\%$. (Round off to the Nearest Integer).

(Given atomic mass : $\mathrm{C} :12.0 \mathrm{u}, \mathrm{H} :1.0 \mathrm{u}$$\mathrm{O} :16.0 \mathrm{u},\mathrm{N} :14.0 \mathrm{u}$)