A. C2H4
B. C3H4
C. C3H6
D. C4H8

Correct Answer: Option C

Explanation

Given the molecular formula, CH2.

The empirical formula will be (CH2)n= 42

(12+(2×1))n=42
⇒ 14n=42

n = 3, hence the empirical formula is C3H6

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