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At 47^@C and 16.0 atm, the molar volume ...

At `47^@C` and 16.0 atm, the molar volume of `NH_3` gas is about `10%` less than the molar volume of an ideal gas. This is due to :

A

`NH_3` decomposes to `N_2` and `H_2` at `47^@C`

B

the force of attraction between `NH_3` molecules is significant at this temperature and pressure

C

the volume occupied by NH3 molecules themselves is a significant fraction of the volume of the container at this temperature and pressure

D

at 16 atm, `NH_3` molecules no longer move randomly

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The correct Answer is:
B
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