Question

Which of The following is a critical temperature for Carbon dioxide?

(a) 32-degree centigrade

(b) 30.98-degree centigrade

(c) 40-degree centigrade

(d) 30.91 degree Kelvin

I have been asked this question by my school teacher while I was bunking the class.

This key question is from States of Matter in portion States of Matter of Chemistry – Class 11

Answer 1

The correct option is (b) 30.98-degree centigrade

Easy explanation: The critical temperature of carbon dioxide is a maximum temperature where the carbon dioxide can remain as a liquid below this temperature. The carbon dioxide is gas so the critical temperature for Carbon dioxide is 30.98 degrees centigrade.