Thermodynamics and Thermochemistry - Result Question 50
Assertion and Reason
Read the following questions and answer as per the direction given below :
(a) Statement I is true; Statement II is true; Statement II is the correct explanation of Statement I
(b) Statement I is true; Statement II is true; Statement II is not the correct explanation of Statement I
(c) Statement I is true; Statement II is false
(d) Statement I is false; Statement II is true
50.
Statement I For every chemical reaction at equilibrium, standard Gibbs energy of reaction is zero.
Statement II At constant temperature and pressure, chemical reactions are spontaneous in the direction of decreasing Gibbs energy.
$(2008,3 M)$
Show Answer
Correct Answer: 50. (d)
Solution:
Statement I is false. At equilibrium
$ \Delta G=0, G \neq 0 $
Statement II is true, spontaneous direction of reaction is towards lower Gibbs free energy.
BETA
