The empirical formula of a gaseous compound is CH2 .The density of the compound is 1.25 gm/lit.at S.T.P.

Question

asked Mar 27 in random by Brainiak verified_user (11.4k points)

The empirical formula of a gaseous compound is CH₂ .The density of the compound is 1.25 gm/lit.at S.T.P. The molecular formula of the compound is :

A)C₂H₄

b)C₃H₆

C)C₆H₁₂

D)C₄H₈

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1 Answer

answered Mar 27 by Brainiak verified_user (11.4k points)

The correct option is A) C₂H₄

_{explaination:}

_{Since, 1 lite contains 1.25 gms.

Hence 22.4 litres contain(1.25×22.4)gms≡28gms.

So molar mass ≡28gms/mass=} C₂H₄