MCQ
If saturated vapours are compressed slowly $($temperature remains constant$)$ to half the initial volume, their pressure will :
- ABecome four times
- BBecome double
- ✓Remain unchanged
- DNone of these
✓
Answer
Correct option: C.
Remain unchanged
When saturated vapour is compressed it's composition $($liq $-$ vapour$)$ changes which make sure that pressure remains constant. Saturated Vapour doesn't obey ideal gas law.
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