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KCET2012ChemistryGeneral Organic Chemistry

An oxygen containing organic compound was found to contain 52 % carbon and 13 % of hydrogen. Its vapour density is 23 . The compound reacts with sodium metal to liberate hydrogen. A functional isomer of this compound is

Options

  1. Aethanal
  2. Bmethoxy methane
  3. Cmethoxy ethane
  4. Dethanol

Correct answer

B. methoxy methane

Step-by-step solution

Empirical formula of the compound = C ₂ H ₆ O and empirical formula weight =2 12+6 1+16=46 Molecular weight =2 vapour density Molecular weight =2 23=46 n = 46 46 =1 Molecular formula of the compound = C ₂ H ₆ O Compound liberates H ₂ with Na . It must be alcohol, C ₂ H ₅ OH (ethanol) Its functional isomer is CH ₃ OCH ₃ (methoxy methane)

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