question_answer

What volume of .oxygen gas \[({{O}_{2}})\] measured at \[{{0}^{o}}C\] and 1 atm, is needed to bum completely \[1\,L\] of propane gas \[({{C}_{3}}{{H}_{8}})\] measured under the same conditions?               [AIPMT (S) 2008]

A)  7 L                 

B)       6 L                 

C)  5 L    

D)       10 L

Correct Answer: C

Solution :

          

Key Idea: Volume of a gas at STP = 22.4 L

Tb burn 22.4 L  the oxygen required is

To bum  the oxygen required will be