First slide

Gaseous state

Question

By Avogadro's law, V = kn
If volume occupied by 1 mole of a gas at STP is 22.4 L, then k is if we take 0.5 mole of gas under same condition of temperature and pressure

Moderate

A

$22 .4 L {mol}^{- 1}$
B

$11 .2 L {mol}^{- 1}$
C

$44 .8 {mol}^{- 1}$
D

$5 .6 L {mol}^{- 1}$

Solution

$k = \frac{V}{n} = \frac{22 .4}{1} {molL}^{- 1}$
when, n = 0.5 mol,
$V = 11 .2 L hence,$
$k = 22 .4 {molL}^{- 1}$
(again constant)

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