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Empirical formula of an organic compound is CH2. Mass of one mole of it is 42 g. The molecular formula of the compound is
  • a)
    CH2
  • b)
    C2H4
  • c)
    C3H6
  • d)
    C4H8
Correct answer is option 'C'. Can you explain this answer?
Most Upvoted Answer
Empirical formula of an organic compound is CH2. Mass of one mole of i...
  • Empirical formula = CH2.
  • Empirical formula weight = 12 (C) + 2×1 (H) = 14 g/mol.
  • Molecular weight = 42 g/mol (given).
  • n = Molecular weight / Empirical weight = 42 / 14 = 3.
  • Molecular formula = 3 × (CH2) = C3H6.
Verification:
  • Molecular weight of C3H6 = 3×12 + 6×1 = 42 g/mol, which matches.
  • C3H6 (cyclopropane or propene) is a valid hydrocarbon.
Thus, the correct answer is C. C3H6.
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Empirical formula of an organic compound is CH2. Mass of one mole of it is 42 g. The molecular formula of the compound isa)CH2b)C2H4c)C3H6d)C4H8Correct answer is option 'C'. Can you explain this answer? for NEET 2026 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about Empirical formula of an organic compound is CH2. Mass of one mole of it is 42 g. The molecular formula of the compound isa)CH2b)C2H4c)C3H6d)C4H8Correct answer is option 'C'. Can you explain this answer? covers all topics & solutions for NEET 2026 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Empirical formula of an organic compound is CH2. Mass of one mole of it is 42 g. The molecular formula of the compound isa)CH2b)C2H4c)C3H6d)C4H8Correct answer is option 'C'. Can you explain this answer?.
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