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Which of the following pairs of a chemical reaction is certain to result in a spontaneous reaction
Options
(a) exothermic and increasing disorder
(b) exothermic and decreasing disorder
(c) endothermic and increasing disorder
(d) endothermic and decreasing disorder
Correct Answer:
exothermic and increasing disorder
Explanation:
For spontaneous reaction ΔH = -ve, ΔS = +ve. Spontaneity depends upon both critical minimum energy and maximum randomness / disorder.
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Topics: Thermodynamics
(179)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Crystal field stabilization energy for high spin d⁴ octahedral complex is
- Which of the following gases is not a greenhouse gas
- What is the value of electron gain enthalpy of Na+ if IE₁ of Na =5.1 eV ?
- The role of cryolite in the metallurgy of extraction of aluminium is to
- The standard emf for the cell reaction, 2Cu⁺(aq) → Cu(s) + Cu²⁺(aq)
Topics: Thermodynamics (179)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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