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 c

Question

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 _______ %. [Nearest In teger] [Given : Molar mass in g mol –1 H : 1, C : 12, Br : 80, Ag : 108, O : 16; Compound (x) : CxHyBrz]

Prashant Kotian · Accepted Answer

Correct answer: .. CxHyBrz  CO2 1g 1.32g 1.32 12 %C 36% 44 1      CxHyBrz  AgBr 0.53g 0.75g 0.75 80 %Br 60.2% 188 0.53      %H = 100 – (36 + 60.2) %H 4%

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