Dependence of Rate on Temperature
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CHXII04:CHEMICAL KINETICS

320278 In the equilibrium \(\mathrm{A}+\mathrm{B} \rightleftharpoons \mathrm{C}+\mathrm{D}\), the activation energy for forward reaction is 25 \(\mathrm{K} . \mathrm{cal} / \mathrm{mol}\) and that of backward reaction is 15 \(\mathrm{K} . \mathrm{Cal} / \mathrm{mol}\). Which of the following statement is correct.

1 It is exothermic process
2 It is endothermic process
3 It is reaction for which \(\Delta H=0\)
4 It is a sublimable process
CHXII04:CHEMICAL KINETICS

320279 Which of the following statements is/are correct with respect to Arrhenius equation?

1 Rate constant linearly increases with increase in temperature and exponentially decreases with increase in activation energy.
2 Rate constant exponentially increases with increase in temperature and increase in activation energy.
3 Rate constant increases exponentially with increase in temperature and decreases exponentially with increase in activation energy.
4 Rate constant is unaffected by change in either temperature or activation energy.
CHXII04:CHEMICAL KINETICS

320280 The rate constants \(\mathrm{k}_{1}\) and \(\mathrm{k}_{2}\) for two different reactions are \(10^{16} \times \mathrm{e}^{-2000 / \mathrm{T}}\) and \(10^{15} \times \mathrm{e}^{-1000 / \mathrm{T}}\) respectively. The temperature at which \(\mathrm{k}_{1}=\mathrm{k}_{2}\) is:

1 \(\dfrac{1000}{2.303} \mathrm{~K}\)
2 \(1000 \mathrm{~K}\)
3 \(\dfrac{2000}{2.303} \mathrm{~K}\)
4 \(2000 \mathrm{~K}\)
KCET - 2023
CHXII04:CHEMICAL KINETICS

320281 Chemical reactions with very high \(\mathrm{E}_{\mathrm{a}}\) values are generally

1 very fast
2 very slow
3 moderatley fast
4 spontaneous
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CHXII04:CHEMICAL KINETICS

320278 In the equilibrium \(\mathrm{A}+\mathrm{B} \rightleftharpoons \mathrm{C}+\mathrm{D}\), the activation energy for forward reaction is 25 \(\mathrm{K} . \mathrm{cal} / \mathrm{mol}\) and that of backward reaction is 15 \(\mathrm{K} . \mathrm{Cal} / \mathrm{mol}\). Which of the following statement is correct.

1 It is exothermic process
2 It is endothermic process
3 It is reaction for which \(\Delta H=0\)
4 It is a sublimable process
CHXII04:CHEMICAL KINETICS

320279 Which of the following statements is/are correct with respect to Arrhenius equation?

1 Rate constant linearly increases with increase in temperature and exponentially decreases with increase in activation energy.
2 Rate constant exponentially increases with increase in temperature and increase in activation energy.
3 Rate constant increases exponentially with increase in temperature and decreases exponentially with increase in activation energy.
4 Rate constant is unaffected by change in either temperature or activation energy.
CHXII04:CHEMICAL KINETICS

320280 The rate constants \(\mathrm{k}_{1}\) and \(\mathrm{k}_{2}\) for two different reactions are \(10^{16} \times \mathrm{e}^{-2000 / \mathrm{T}}\) and \(10^{15} \times \mathrm{e}^{-1000 / \mathrm{T}}\) respectively. The temperature at which \(\mathrm{k}_{1}=\mathrm{k}_{2}\) is:

1 \(\dfrac{1000}{2.303} \mathrm{~K}\)
2 \(1000 \mathrm{~K}\)
3 \(\dfrac{2000}{2.303} \mathrm{~K}\)
4 \(2000 \mathrm{~K}\)
KCET - 2023
CHXII04:CHEMICAL KINETICS

320281 Chemical reactions with very high \(\mathrm{E}_{\mathrm{a}}\) values are generally

1 very fast
2 very slow
3 moderatley fast
4 spontaneous
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CHXII04:CHEMICAL KINETICS

320278 In the equilibrium \(\mathrm{A}+\mathrm{B} \rightleftharpoons \mathrm{C}+\mathrm{D}\), the activation energy for forward reaction is 25 \(\mathrm{K} . \mathrm{cal} / \mathrm{mol}\) and that of backward reaction is 15 \(\mathrm{K} . \mathrm{Cal} / \mathrm{mol}\). Which of the following statement is correct.

1 It is exothermic process
2 It is endothermic process
3 It is reaction for which \(\Delta H=0\)
4 It is a sublimable process
CHXII04:CHEMICAL KINETICS

320279 Which of the following statements is/are correct with respect to Arrhenius equation?

1 Rate constant linearly increases with increase in temperature and exponentially decreases with increase in activation energy.
2 Rate constant exponentially increases with increase in temperature and increase in activation energy.
3 Rate constant increases exponentially with increase in temperature and decreases exponentially with increase in activation energy.
4 Rate constant is unaffected by change in either temperature or activation energy.
CHXII04:CHEMICAL KINETICS

320280 The rate constants \(\mathrm{k}_{1}\) and \(\mathrm{k}_{2}\) for two different reactions are \(10^{16} \times \mathrm{e}^{-2000 / \mathrm{T}}\) and \(10^{15} \times \mathrm{e}^{-1000 / \mathrm{T}}\) respectively. The temperature at which \(\mathrm{k}_{1}=\mathrm{k}_{2}\) is:

1 \(\dfrac{1000}{2.303} \mathrm{~K}\)
2 \(1000 \mathrm{~K}\)
3 \(\dfrac{2000}{2.303} \mathrm{~K}\)
4 \(2000 \mathrm{~K}\)
KCET - 2023
CHXII04:CHEMICAL KINETICS

320281 Chemical reactions with very high \(\mathrm{E}_{\mathrm{a}}\) values are generally

1 very fast
2 very slow
3 moderatley fast
4 spontaneous
For More Updates join with Us
NEET Test Series from KOTA - 10 Papers In MS WORD WhatsApp Here
CHXII04:CHEMICAL KINETICS

320278 In the equilibrium \(\mathrm{A}+\mathrm{B} \rightleftharpoons \mathrm{C}+\mathrm{D}\), the activation energy for forward reaction is 25 \(\mathrm{K} . \mathrm{cal} / \mathrm{mol}\) and that of backward reaction is 15 \(\mathrm{K} . \mathrm{Cal} / \mathrm{mol}\). Which of the following statement is correct.

1 It is exothermic process
2 It is endothermic process
3 It is reaction for which \(\Delta H=0\)
4 It is a sublimable process
CHXII04:CHEMICAL KINETICS

320279 Which of the following statements is/are correct with respect to Arrhenius equation?

1 Rate constant linearly increases with increase in temperature and exponentially decreases with increase in activation energy.
2 Rate constant exponentially increases with increase in temperature and increase in activation energy.
3 Rate constant increases exponentially with increase in temperature and decreases exponentially with increase in activation energy.
4 Rate constant is unaffected by change in either temperature or activation energy.
CHXII04:CHEMICAL KINETICS

320280 The rate constants \(\mathrm{k}_{1}\) and \(\mathrm{k}_{2}\) for two different reactions are \(10^{16} \times \mathrm{e}^{-2000 / \mathrm{T}}\) and \(10^{15} \times \mathrm{e}^{-1000 / \mathrm{T}}\) respectively. The temperature at which \(\mathrm{k}_{1}=\mathrm{k}_{2}\) is:

1 \(\dfrac{1000}{2.303} \mathrm{~K}\)
2 \(1000 \mathrm{~K}\)
3 \(\dfrac{2000}{2.303} \mathrm{~K}\)
4 \(2000 \mathrm{~K}\)
KCET - 2023
CHXII04:CHEMICAL KINETICS

320281 Chemical reactions with very high \(\mathrm{E}_{\mathrm{a}}\) values are generally

1 very fast
2 very slow
3 moderatley fast
4 spontaneous
NEET DIGITAL LIBRARY