Chemistry - Ideal Gas Question with Solution | TestHub

ChemistryIdeal GasIdeal Gas Equation & problemsEasy2 minPYQ_2020
ChemistryEasysingle choice

The density of a gas is 1.964  g dm −3 at 273 K and 76 cm Hg. The gas is

Options:

Answer:
C
Solution:

pV=nRT

orpV=wMRT

orM=wVRTp

orM=dRTp

d=1.964 g/dm3=1.964×10-3 g/cc

p=76 cm Hg=1 atm

R=0.0812 L atm K-1 mol-1

=82.1 cc atm K-1 mol-1

T=273 K

M=1.964×10-3×82.1×2731=44

The molecular weight ofCO2is 44.

So, the gas isCO2.

Stream:NTA_ABHYAS_NEETSubject:ChemistryTopic:Ideal GasSubtopic:Ideal Gas Equation & problems
⏱ 2mℹ️ Source: PYQ_2020

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