Assume each reaction is carried out in an open container. For which of the following reactions will
1.
2.
3.
4.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyCombustion of glucose takes place according to the equation,
,
Energy required for the production of 1.6 g of glucose is -
(Molecular mass of glucose = 180 g)
1. 0.064 kcal
2. 0.64 kcal
3. 6.4 kcal
4. 64 kcal
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyFor the following given equations and values, determine the enthalpy of reaction at 298 K for the reaction:
C2H4(g) + 6F2(g) 2CF4(g) + 4HF(g)
H2(g) + F2(g) 2HF(g) = -537 kJ
C(s) + 2F2(g) CF4(g) =-680 kJ
2C(s) + 2H2(g) C2H4(g) = 52 kJ
1. -1165 kJ
2. -2486 kJ
3. +1165 kJ
4. +2486 kJ
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe bond energies of , C-H, H-H, and C=C are 198, 98, 103 and145 kcal respectively.
The enthalpy change of the reaction would be-
1. 48 kcal
2. 96 kcal
3. -40 kcal
4. -152 kcal
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich plot represents an exothermic reaction?
1.
2.
3.
4.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyConsider the following diagram for a reaction
The nature of the reaction is-
1. | Exothermic | 2. | Endothermic |
3. | Reaction at equilibrium | 4. | None of the above |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyAs an isolated box, equally partitioned, contains two ideal gasses A and B as shown:
When the partition is removed, the gases mix. The changes in enthalpy and entropy in the process, respectively, are
1. Zero, positive
2. Zero, negative
3. Positive, zero
4. Negative, zero
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyConsider the following diagram for a reaction .
The nature of the reaction is-
1. Exothermic
2. Endothermic
3. Reaction at equilibrium
4. None of the above
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology
The thermodynamic stability of NO(g) based on the above data is:
1. Less than NO2(g)
2. More than NO2(g)
3. Equal to NO2(g)
4. Insufficient data
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyFor the reaction, , at 298K is 164 kJ mol-1. The of the reaction is-
1. \(166.5 \mathrm{~kJ} \mathrm{~mol}^{-1} \)
2. \(141.5 \mathrm{~kJ} \mathrm{~mol}^{-1} \)
3. \(104.0 \mathrm{~kJ} \mathrm{~mol}^{-1} \)
4. \(-169 \mathrm{~kJ} \mathrm{~mol}^{-1}\)
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology