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NEET2021ChemistrySome Basic Concepts of ChemistryActual

An organic compound contains 80 % (by wt.) carbon and remaining percentage of hydrogen. The right option for the empirical formula of this compound is: [Atomic wt. of C is 12 and of H is 1 ]

Options

  1. ACH
  2. BCH 2
  3. CCH 3
  4. DCH 4

Correct answer

C. CH 3

Step-by-step solution

% by weight C H 80 20 % by moles 80 12 20 1 6 . 67 20 Simplest ratio 6 . 67 6 . 67 20 6 . 67 1 3 Hence, the empirical formula of this compound is CH 3 .

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