Chemistry - Carbonyl compounds Question with Solution | TestHub

Consider the following reactions$\mathrm{A}\frac{\left(\mathrm{i}\right)\mathrm{C}{\mathrm{H}}_3\mathrm{M}\mathrm{B}\mathrm{r}}{\left(\mathrm{i}\mathrm{i}\right){\mathrm{}\mathrm{H}}_3{\mathrm{O}}^{+}}\mathrm{B}\frac{\mathrm{C}\mathrm{u}}{573\mathrm{K}}2-\mathrm{m}\mathrm{e}\mathrm{t}\mathrm{h}\mathrm{y}\mathrm{l}-2-\mathrm{b}\mathrm{u}\mathrm{t}\mathrm{e}\mathrm{n}\mathrm{e}$. The mass percentage of carbon in$\mathrm{A}$is _____________.