For the reaction A + B → C + D + q (kJ/mol), entropy change is positive. The reaction will be
1. Possible only at high temperature
2. Possible only at low temperature
3. Not possible at any temperature
4. Possible at any temperature
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyFor the reaction, , the value of ∆H and ∆S are respectively:
1.
2.
3.
4.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyFor the reaction at 298 K,
2A + B → C
ΔH = 400 kJ mol−1 and ΔS = 0.2 kJ K−1 mol−1. The reaction will become spontaneous at:
1. | 1500 K | 2. | 2000 K |
3. | 100 K | 4. | 1900K |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe entropy change in the surroundings when 1.00 mol of H2O(l) is formed under standard conditions is:
∆fHθ = –286 kJ mol–1
1. 952.5 J mol-1
2.
3.
4.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology