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JEE Main202524 Jan 2025Evening ShiftChemistrySome Basic Concepts of ChemistryActual

The elemental composition of a compound is 54.2 % C , 9.2 % H and 36.6 % O . If the molar mass of the compound is 132 ~g ~mol ⁻¹ , the molecular formula of the compound is : [Given : The relative atomic mass of C : H : O =12: 1: 16 ]

Options

  1. AC ₄ H ₉ O ₃
  2. BC ₆ H ₁₂ O ₆
  3. CC ₄ H ₈ O ₂
  4. DC ₆ H ₁₂ O ₃

Correct answer

D. C ₆ H ₁₂ O ₃

Step-by-step solution

Molecular mass of compound =132 ~g ~mol ⁻¹ Molecular formula of compound is ( C ₂ H ₄ O )_n n = Molecular mass EF mass = 132 44 =3 Molecular formula of compound is C ₆ H ₁₂ O ₃

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