Which of the following statements is correct for a reversible process in a state of equilibrium?
1. G = - 2.30RT log K
2. G = 2.30RT log K
3. Go = - 2.30RT log K
4. Go = 2.30RT log K
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyPrefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Audio/Video/Text Solutions via Telegram Bot
NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich of the following statements is correct for the spontaneous adsorption of a gas ?
1. S is negative and therefore, H should be highly positive
2. S is negative and therefore, H should be highly negative
3. S is positive and therefore, H should be negative
4. S is positive and therefore, H should also be highly positive
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyGiven the reaction :
X2O4(l) → 2XO2(g)
ΔU = 2.1 kcal, ΔS = 20 cal K–1 at 300 K
The value of ΔG is:
1. 2.7 kcal
2. -2.7 kcal
3. 9.3 kcal
4. -9.3 kcal
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIn which of the following reactions, standard reaction entropy change is positive and standard Gibb's energy change decreases sharply with increasing temperature?
1.
2.
3.
4.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe enthalpy of fusion of water is 1.435 kcal/mol. The molar entropy change for the melting of ice at 0 oC is:
1. 10.52 cal/(mol K)
2. 21.04 cal/(mol K)
3. 5.260 cal/(mol K)
4. 0.526 cal/(mol K)
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyStandard enthalpy of vaporization for water at 1000C is 40.66 Kj mol-1. The internal energy of vaporization of water at 1000C (in kJ mol-1) is
(Assume water vapour to behave like an ideal gas).
1. +37.56
1. -43.76
3. +43.76
4. +40.66
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich of the following is the correct option for free expansion of an ideal gas under adiabatic condition?
1.
2.
3.
4.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyGiven the following reaction:
The enthalpy change for the reaction is -869.6 kJ. The dissociation energy of the H-H bond is -
1. -869.6 kJ
2. +434.8kJ
3. +217.4kJ
4. -434.8 kJ
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyStandard entropies of X2, Y2 and XY3 are 60, 40 and 50JK-1mol-1 respectively. For the reaction
to be at equilibrium, the temperature should be
1. 750 K
2. 1000 K
3. 1250 K
4. 500 K
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology