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Chemistry
It is easier to liquefy ammonia than oxygen because
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Q. It is easier to liquefy ammonia than oxygen because
States of Matter
A
it is easier to compress oxygen than $NH_{3}$
3%
B
$NH_{3}$ has a very low critical temperature as compared to $O_{2}$
12%
C
$O_{2}$ has a higher value of van der Waals constant $a$ and higher critical temperature than $NH_{3}$
12%
D
$NH_{3}$ has $a$ higher value of van der Waals constant $a$ and higher critical temperature than oxygen.
73%
Solution:
$NH_{3}$ has higher value of $a$, it means intermolecular forces are stronger and higher critical temperature than oxygen, hence easy to liquefy.