Question

The pressure at which 1.5 mole of a gas occupies a volume of 16.8 litres at ${273}^{o}C$ is :

• A. 2 atm
• B. 3 atm
• C. 4 atm
• D. 6 atm

Answer 1

Answer: (C)

4 atm

$PV=nRT$

$P=\frac{nRT}{V}$

$=\frac{1.5\times 0.082\times 546}{16.8}=3.99\simeq 4atm$

Hence option C is correct.