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Grade 12th passZoology

One litre of a gas at NTP weights 1.16g. It can possibly be:
A. C2H2
B. CO
C. O2
D. CH4

Profile image of Pushpa Raj Joshi
6 Years agoGrade 12th pass
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2 Answers

Profile image of Rajat
6 Years ago
At stp 22.4 l (one mole) weighs 22.4×1.16 gm =25.98 gm = 26 gm =molar mass of c2h2
Answer isC2H2
Please approve
Profile image of Vikas TU
6 Years ago
Dear student 
At STP 
1 litre of gas = 1.16g
22.4L of gas =1.16gm×22.4= 25.98g.m ≈26gm
M.M of C2H2=26gm
M.M of CO =28gm
M.M of O2 = 32gm
M.M of CH4 =16gm
So it is clear that it is ethyne gas.
Option A is correct