Q.

Number of molecules in 100 ml of each of O2, NH3 and CO2 at STP is

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a

 In the order NH3<O2<CO2

b

 In the order CO2<O2<NH3

c

The same

d

NH3=CO2<O2

answer is D.

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Detailed Solution

According to Avogadro's hypothesis, equal volumes of all gases under similar conditions of temperature and pressure contain equal no. of molecules.

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