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The molar mass of a compound X is 56. its empirical formula is CH2. X is ____________

The molar mass of a compound X is 56. its empirical formula is CH2. X is ____________
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  • A Butene.
  • B Butyne.
  • C Ethene.
  • D Propene.
  • E Propyne
Correct Answer: Option A
Explanation:
\((CH_{2})x = 56\)
\((12 + 2)x = 56\)
\(14x = 56\)
\(x = \frac{56}{14}\)
\(x = 4\)
Hence, the empirical formula is \((CH_{2}) \times 4\)
= \(C_{4}H_{8}\)

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