06. THERMODYNAMICS[KARNATAKA CET EXCLUSIVE]
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CHEMISTRY(KCET)

285281 Conversion of oxygen into ozone is non-spontaneous at

1 all temperatures
2 high temperature
3 room temperature
4 low temperature.
Karnataka CET 2014
CHEMISTRY(KCET)

285276 A reaction has both\(\Delta H\) and \(\Delta S\)-ve. The rate of reaction

1 cannot be predicted for change in temperature
2 increases with increase in temperature
3 increases with decrease in temperature
4 remains unaffected by change in temperature.
Karnataka CET 2017
CHEMISTRY(KCET)

285277 If the bond energies of\(\mathrm{H}-\mathrm{H}, \mathrm{Br}-\mathrm{Br}\) and \(\mathrm{H}-\mathrm{Br}\) are 433,192 and \(364 \mathrm{~kJ} \mathrm{~mol}^{-1}\) respectively, then \(\Delta H^{\circ}\) for the reaction :
\(\mathrm{H}_2(\mathrm{~g})+\mathrm{Br}_2(\mathrm{~g}) \rightarrow 2 \mathrm{HBr}(\mathrm{g})\) is

1 -261 kJ
2 +103 kJ
3 +261 kJ
4 -103 kJ
Karnataka CET 2016
CHEMISTRY(KCET)

285278 The correct statement regarding entropy is

1 at absolute zero temperature, entropy of a perfectly crystalline solid is zero
2 at absolute zero temperature, the entropy of a perfectly crystalline substance is +ve
3 at absolute zero temperature, the entropy of all crystalline substances is zero
4 at\(0^{\circ} \mathrm{C}\), the entropy of a perfect crystalline solid is zero.
Karnataka CET 2016
CHEMISTRY(KCET)

285269 Identify the wrong relation for real gases

1 \(\mathrm{Z}=\frac{\mathrm{V}_{\text {ideal }}}{\mathrm{V}_{\text {real }}}\)
2 \(\mathrm{P}_{\text {ideal }}=\mathrm{P}_{\text {real }}+\frac{\mathrm{an}^2}{\mathrm{~V}^2}\)
3 \(\mathrm{V}_{\text {real }}=\mathrm{V}_{\text {ideal }}-\mathrm{nb}\)
4 \(\left(\mathrm{p}+\frac{\mathrm{a}}{\mathrm{V}^2}\right)(\mathrm{V}-\mathrm{b})=\mathrm{RT}\)
Karnataka CET 2024
NEET DIGITAL LIBRARY
CHEMISTRY(KCET)

285281 Conversion of oxygen into ozone is non-spontaneous at

1 all temperatures
2 high temperature
3 room temperature
4 low temperature.
Karnataka CET 2014
CHEMISTRY(KCET)

285276 A reaction has both\(\Delta H\) and \(\Delta S\)-ve. The rate of reaction

1 cannot be predicted for change in temperature
2 increases with increase in temperature
3 increases with decrease in temperature
4 remains unaffected by change in temperature.
Karnataka CET 2017
CHEMISTRY(KCET)

285277 If the bond energies of\(\mathrm{H}-\mathrm{H}, \mathrm{Br}-\mathrm{Br}\) and \(\mathrm{H}-\mathrm{Br}\) are 433,192 and \(364 \mathrm{~kJ} \mathrm{~mol}^{-1}\) respectively, then \(\Delta H^{\circ}\) for the reaction :
\(\mathrm{H}_2(\mathrm{~g})+\mathrm{Br}_2(\mathrm{~g}) \rightarrow 2 \mathrm{HBr}(\mathrm{g})\) is

1 -261 kJ
2 +103 kJ
3 +261 kJ
4 -103 kJ
Karnataka CET 2016
CHEMISTRY(KCET)

285278 The correct statement regarding entropy is

1 at absolute zero temperature, entropy of a perfectly crystalline solid is zero
2 at absolute zero temperature, the entropy of a perfectly crystalline substance is +ve
3 at absolute zero temperature, the entropy of all crystalline substances is zero
4 at\(0^{\circ} \mathrm{C}\), the entropy of a perfect crystalline solid is zero.
Karnataka CET 2016
CHEMISTRY(KCET)

285269 Identify the wrong relation for real gases

1 \(\mathrm{Z}=\frac{\mathrm{V}_{\text {ideal }}}{\mathrm{V}_{\text {real }}}\)
2 \(\mathrm{P}_{\text {ideal }}=\mathrm{P}_{\text {real }}+\frac{\mathrm{an}^2}{\mathrm{~V}^2}\)
3 \(\mathrm{V}_{\text {real }}=\mathrm{V}_{\text {ideal }}-\mathrm{nb}\)
4 \(\left(\mathrm{p}+\frac{\mathrm{a}}{\mathrm{V}^2}\right)(\mathrm{V}-\mathrm{b})=\mathrm{RT}\)
Karnataka CET 2024
Join With Us for More Updates
CHEMISTRY(KCET)

285281 Conversion of oxygen into ozone is non-spontaneous at

1 all temperatures
2 high temperature
3 room temperature
4 low temperature.
Karnataka CET 2014
CHEMISTRY(KCET)

285276 A reaction has both\(\Delta H\) and \(\Delta S\)-ve. The rate of reaction

1 cannot be predicted for change in temperature
2 increases with increase in temperature
3 increases with decrease in temperature
4 remains unaffected by change in temperature.
Karnataka CET 2017
CHEMISTRY(KCET)

285277 If the bond energies of\(\mathrm{H}-\mathrm{H}, \mathrm{Br}-\mathrm{Br}\) and \(\mathrm{H}-\mathrm{Br}\) are 433,192 and \(364 \mathrm{~kJ} \mathrm{~mol}^{-1}\) respectively, then \(\Delta H^{\circ}\) for the reaction :
\(\mathrm{H}_2(\mathrm{~g})+\mathrm{Br}_2(\mathrm{~g}) \rightarrow 2 \mathrm{HBr}(\mathrm{g})\) is

1 -261 kJ
2 +103 kJ
3 +261 kJ
4 -103 kJ
Karnataka CET 2016
CHEMISTRY(KCET)

285278 The correct statement regarding entropy is

1 at absolute zero temperature, entropy of a perfectly crystalline solid is zero
2 at absolute zero temperature, the entropy of a perfectly crystalline substance is +ve
3 at absolute zero temperature, the entropy of all crystalline substances is zero
4 at\(0^{\circ} \mathrm{C}\), the entropy of a perfect crystalline solid is zero.
Karnataka CET 2016
CHEMISTRY(KCET)

285269 Identify the wrong relation for real gases

1 \(\mathrm{Z}=\frac{\mathrm{V}_{\text {ideal }}}{\mathrm{V}_{\text {real }}}\)
2 \(\mathrm{P}_{\text {ideal }}=\mathrm{P}_{\text {real }}+\frac{\mathrm{an}^2}{\mathrm{~V}^2}\)
3 \(\mathrm{V}_{\text {real }}=\mathrm{V}_{\text {ideal }}-\mathrm{nb}\)
4 \(\left(\mathrm{p}+\frac{\mathrm{a}}{\mathrm{V}^2}\right)(\mathrm{V}-\mathrm{b})=\mathrm{RT}\)
Karnataka CET 2024
For More Updates join with Us
CHEMISTRY(KCET)

285281 Conversion of oxygen into ozone is non-spontaneous at

1 all temperatures
2 high temperature
3 room temperature
4 low temperature.
Karnataka CET 2014
CHEMISTRY(KCET)

285276 A reaction has both\(\Delta H\) and \(\Delta S\)-ve. The rate of reaction

1 cannot be predicted for change in temperature
2 increases with increase in temperature
3 increases with decrease in temperature
4 remains unaffected by change in temperature.
Karnataka CET 2017
CHEMISTRY(KCET)

285277 If the bond energies of\(\mathrm{H}-\mathrm{H}, \mathrm{Br}-\mathrm{Br}\) and \(\mathrm{H}-\mathrm{Br}\) are 433,192 and \(364 \mathrm{~kJ} \mathrm{~mol}^{-1}\) respectively, then \(\Delta H^{\circ}\) for the reaction :
\(\mathrm{H}_2(\mathrm{~g})+\mathrm{Br}_2(\mathrm{~g}) \rightarrow 2 \mathrm{HBr}(\mathrm{g})\) is

1 -261 kJ
2 +103 kJ
3 +261 kJ
4 -103 kJ
Karnataka CET 2016
CHEMISTRY(KCET)

285278 The correct statement regarding entropy is

1 at absolute zero temperature, entropy of a perfectly crystalline solid is zero
2 at absolute zero temperature, the entropy of a perfectly crystalline substance is +ve
3 at absolute zero temperature, the entropy of all crystalline substances is zero
4 at\(0^{\circ} \mathrm{C}\), the entropy of a perfect crystalline solid is zero.
Karnataka CET 2016
CHEMISTRY(KCET)

285269 Identify the wrong relation for real gases

1 \(\mathrm{Z}=\frac{\mathrm{V}_{\text {ideal }}}{\mathrm{V}_{\text {real }}}\)
2 \(\mathrm{P}_{\text {ideal }}=\mathrm{P}_{\text {real }}+\frac{\mathrm{an}^2}{\mathrm{~V}^2}\)
3 \(\mathrm{V}_{\text {real }}=\mathrm{V}_{\text {ideal }}-\mathrm{nb}\)
4 \(\left(\mathrm{p}+\frac{\mathrm{a}}{\mathrm{V}^2}\right)(\mathrm{V}-\mathrm{b})=\mathrm{RT}\)
Karnataka CET 2024
NEET DIGITAL LIBRARY
CHEMISTRY(KCET)

285281 Conversion of oxygen into ozone is non-spontaneous at

1 all temperatures
2 high temperature
3 room temperature
4 low temperature.
Karnataka CET 2014
CHEMISTRY(KCET)

285276 A reaction has both\(\Delta H\) and \(\Delta S\)-ve. The rate of reaction

1 cannot be predicted for change in temperature
2 increases with increase in temperature
3 increases with decrease in temperature
4 remains unaffected by change in temperature.
Karnataka CET 2017
CHEMISTRY(KCET)

285277 If the bond energies of\(\mathrm{H}-\mathrm{H}, \mathrm{Br}-\mathrm{Br}\) and \(\mathrm{H}-\mathrm{Br}\) are 433,192 and \(364 \mathrm{~kJ} \mathrm{~mol}^{-1}\) respectively, then \(\Delta H^{\circ}\) for the reaction :
\(\mathrm{H}_2(\mathrm{~g})+\mathrm{Br}_2(\mathrm{~g}) \rightarrow 2 \mathrm{HBr}(\mathrm{g})\) is

1 -261 kJ
2 +103 kJ
3 +261 kJ
4 -103 kJ
Karnataka CET 2016
CHEMISTRY(KCET)

285278 The correct statement regarding entropy is

1 at absolute zero temperature, entropy of a perfectly crystalline solid is zero
2 at absolute zero temperature, the entropy of a perfectly crystalline substance is +ve
3 at absolute zero temperature, the entropy of all crystalline substances is zero
4 at\(0^{\circ} \mathrm{C}\), the entropy of a perfect crystalline solid is zero.
Karnataka CET 2016
CHEMISTRY(KCET)

285269 Identify the wrong relation for real gases

1 \(\mathrm{Z}=\frac{\mathrm{V}_{\text {ideal }}}{\mathrm{V}_{\text {real }}}\)
2 \(\mathrm{P}_{\text {ideal }}=\mathrm{P}_{\text {real }}+\frac{\mathrm{an}^2}{\mathrm{~V}^2}\)
3 \(\mathrm{V}_{\text {real }}=\mathrm{V}_{\text {ideal }}-\mathrm{nb}\)
4 \(\left(\mathrm{p}+\frac{\mathrm{a}}{\mathrm{V}^2}\right)(\mathrm{V}-\mathrm{b})=\mathrm{RT}\)
Karnataka CET 2024