Question

(4) CH₂
2. Four one litre flasks are seperately filled with the
gases hydrogen helium oxygen and ozone at same
room temp. and pressure. The ratio of total number
of atoms of these gases present in the different
flasks would be
(1) 1:1:1:1 (2)1:2:2:3
(3) 2:1:2:3
(4) 2:1 3:2​

Answer 1

Ideal gas law:PV=nRT

Here,P,V,and T are same

So,the number of molecules also are same.

Ratio of atoms of these gases = H2:He:O2:O3

= 2:1:2:3

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Answer 2

According to Avogadro's hypothesis equal volumes of all gases under similar condition of temperature and pressure contains equal number of molecules.

Hence number of atom of H2,He,O2 and O3 will be in the ratio 2:1:2:3

Hence c is the correct answer.

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