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For an endothermic reaction the value of ΔS is positive.The reaction is
Options
(a) feasible when ΔH > TΔS
(b) feasible when TΔS > ΔH
(c) feasible at all temperatures
(d) not feasible at all
Correct Answer:
feasible when TΔS > ΔH
Explanation:
According to Gibb’s equation,
ΔG = ΔH – TΔS.
Therefore for ΔS to be positive, therefore for feasibility of the reaction is possible only if TΔS > ΔH so that ΔG = -ve.
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Topics: Thermodynamics
(179)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Which of the following acts as an oxidising as well as reducing agent
- The smell of agarbati, mixed in the atmosphere , is due to
- A sample of CaCO₃ is 50% pure. On heating 1.12 L of CO₂ at STP is obtained
- One litre hard water contains 12 mg Mg²⁺. Milli equivalents of washing soda
- 75% of a first order reaction was completed in 32min.When was 50% of the reaction
Topics: Thermodynamics (179)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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