An organic compound contains 80 % (by wt.) carbon and remaining percentage of hydrogen. The right option for the empirical formula of this compound is: [Atomic wt. of C is 12 and of H is 1 ]

Question

An organic compound contains 80 % (by wt.) carbon and remaining percentage of hydrogen. The right option for the empirical formula of this compound is: [Atomic wt. of C is 12 and of H is 1 ], CH, CH 2, CH 3, CH 4

MARKS App · Accepted Answer

% by weight C H 80 20 % by moles 80 12 20 1 6 . 67 20 Simplest ratio 6 . 67 6 . 67 20 6 . 67 1 3 Hence, the empirical formula of this compound is CH 3 .

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