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QUESTION
Q24) Ratio of Cp and Cv of a gas "x" is 1.4. The number of atoms of the gas "X" present in 11.2 litres of it at NTP will be ... [ CBSE PMT 1989]




SOLUTION

Ratio of Cp and Cv of a gas "x" is 1.4 shows that gas is diatomic like O2
Now 11.2 litre at NTP=0.5 moles of diatomic gas
∴ number atoms=6.02 ×1023
Answer: (a)