4.4 ;g of an unknown gas occupies 2.24 ,L of volume at standard t… - Vidyadip

MCQ

$4.4\;g$ of an unknown gas occupies $2.24\,L$ of volume at standard temperature and pressure. The gas may be

✓
Carbon dioxide
B
Carbon monoxide
C
Oxygen
D
Sulphur dioxide

✓

Answer

Correct option: A.

Carbon dioxide

a
(a) $2.24\,L$ of gas has mass $= 4.4\,gm$

$\therefore $ $22.4\,L$ of gas has mass $ = \frac{{4.4}}{{2.24}} \times 22.4 = 44$

So given gas is $C{O_2}$ because $C{O_2}$ has molecular mass $=44.$

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