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NEET2008ChemistrySome Basic Concepts of ChemistryActual

What volume of oxygen gas ( O ₂ ) measured at 0^ C and 1 ~atm , is needed to burn completely 1 ~L of propane gas ( C ₃ H ₈ ) measured under the same conditions?

Options

  1. A7 ~L
  2. B6 ~L
  3. C5 ~L
  4. D10 ~L

Correct answer

C. 5 ~L

Step-by-step solution

Key Idea : Volume of a gas at S T P=22.4 ~L aligned & C ₃ H ₈+5 O ₂ 3 CO ₂+4 H ₂ O & 22.4 ~L 5 22.4 ~L aligned To burn 22.4 ~L C ₃ H ₈ the oxygen required is =5 22.4 ~L To burn 1 LC ₃ H ₈ the oxygen required will be aligned & = 5 22.4 22.4 & =5 ~L aligned

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