0.01 mole of an organic compound (X) containing 10% hydrogen, on complete combustion produced 0.9 g — JEE Mains Chemistry Past Papers Chemistry Question

💡 Solution & Explanation

%H = m M . M m 1   = . 18 . 2   = 10 or 100 × 10–1 OR Compound + O2  () + H2O 0.01 mol 0.9 g 10% Hydrogen nH = O H2 n × 2 = 18 . × 2 = 0.1 mol wH = 0.1 × 1 g = 0.1 g % of H = M . 1 .  × 100 10 = M . 10  M = 100 g/mol Ans. 100