Assertion (A) Critical temperatures for carbon dioxide and methane are 31.1 °C and –81.9 °C  respectively.
Reason (R) The intermolecular forces of attraction are stronger in CO2 than CH4

 

1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false.

Subtopic:  Liquefaction of Gases & Liquid |
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As per Charles's law ,–273° C is the lowest possible temperature because:

1. All gases get liquefied before reaching a temperature of – 273° C.
2. All gases get liquefied after reaching a temperature of – 273° C.
3. All gases have a critical temperature of –273° C.
4. None of the Above.

Subtopic:  Gas Laws | Liquefaction of Gases & Liquid |
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