At equilibrium, the entropy change is

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Solution

The correct option is A 0
For a reversible process, entropy behaves as a conserved quantity and no change occurs in total entropy. More specifically, total entropy is conserved in a reversible process and not conserved in an irreversible process.
At eqm as system will be reversible so total change in entropy will be zero.

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Q. At equilibrium, the total entropy change is zero.

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Q. More than One Answer Type
एक से अधिक उत्तर प्रकार के प्रश्न

Select the correct option(s) among the following regarding spontaneity of reactions.

निम्नलिखित में से अभिक्रियाओं की स्वतः प्रवर्तिता के विषय में सही विकल्प/विकल्पों का चयन कीजिए।

	ΔH	ΔS	Description (वर्णन)
(1)	(–)ve	(–)ve	Spontaneous at high temperature उच्च ताप पर स्वतः प्रवर्तित
(2)	(+)ve	(+)ve	Non-spontaneous at low temperature निम्न ताप पर अ-स्वतः प्रवर्तित
(3)	(–)ve	(+)ve	Spontaneous at all temperature सभी ताप पर स्वतः प्रवर्तित
(4)	(+)ve	(–)ve	Non-spontaneous at all temperature सभी ताप पर अ-स्वतः प्रवर्तित

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