An organic compound contains 40%C, 6.66% H and rest oxygen .its vapour density

An organic compound contains 40%C, 6.66% H and rest oxygen .its vapour density is 30.What will be its empirical formula

Options

(a) CHO
(b) CH₂O
(c) C₂H₂O
(d) CH₄O

Correct Answer:

CH₂O

Explanation:

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