Chemistry Thermodynamics and Thermochemistry Karnataka - CET Previous Year Question Single Correct MCQ
Published on: August 13, 2026

Considering the reaction :

the signs of and respectively are

A
+,-,-
B
-,+,+
C
-,-,-
D
-,+,-

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Verified by Experts
The correct answer is:
D

:

Its an exothermic reaction. Therefore as energy is released during an exothermic reaction. As its a spontaneous reaction, . Also entropy or randomness increases while moving from LHS to RHS. Therefore .

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