$A, B, C$ and $D$ are four different gases with critical temperatures $304.1,154.3,405.5$ and $126.0…

$A, B, C$ and $D$ are four different gases with critical temperatures $304.1,154.3,405.5$ and $126.0 \mathrm{~K}$ respectively. While cooling the gas, which gets liquefied first?
  1. B
  2. A
  3. D
  4. C

Solution

C has highest critical temperature, i.e., 405.5K. Henc, it gets liquefied first.

Asked in: AP EAMCET 2016

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