Verified Solution • 2025–26 Session moderate

QNEET-2022-Ch-503: NEET 2022 Chemistry - Class 11 NEET-2022-Ch-503 Solution: Four gas cylinders containing He \(N_2\) \(CO_2\) and \(NH_3\)…

Four gas cylinders containing He N2N_2 CO2CO_2 and NH3NH_3 gases separately are gradually cooled from a temperature of 500 K. Which gas will liquify first? (Given TcT_c in K - He: 5.3 N2N_2: 126 CO2CO_2: 304.1 and NH3NH_3: 405.5) NH3NH_3 He N2N_2 CO2CO_2

Multiple Choice Options

  • A NH 3
  • B He
  • C N 2
  • D CO 2

Step-by-Step Verified Solution

As from the given data NH 3 has highest critical temperature which suggests maximum attractive forces hence NH 3 will get liquified first.

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