Organic Chemistry – Some Basic Principles Part 3

0.53 g of an organic compound (x) when heated with excess of nitric acid (concentrated) and then with silver nitrate gave 0.75 g of silver bromide precipitate. 1.0 g of (x) gave 1.32 g of CO2 gas on combustion. The percentage of hydrogen in the compound (x) is ____ 1 %. [Nearest Integer]
[Given: Molar mass in gmol−1H:1,C:12,Br:80,Ag:108,O:16; Compound (x):CxHyBrz ]