- 1(current)
Q. No.Rate constant (k) and temperature (T) are related as :
1. \(k \,\, = A\, \, e^{\frac{-E_{a}}{RT}}\)
2. \(k \,\, = A\, \, e^{\frac{RT}{-E_{a}}}\)
3. \(k \,\, = A\, \, e^{\frac{E_{a}}{RT}}\)
4. None of the above
1. \(k \,\, = A\, \, e^{\frac{-E_{a}}{RT}}\)
2. \(k \,\, = A\, \, e^{\frac{RT}{-E_{a}}}\)
3. \(k \,\, = A\, \, e^{\frac{E_{a}}{RT}}\)
4. None of the above
Subtopic: Arrhenius Equation |
92%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
The rate of the chemical reaction doubles for an increase of 10 K in absolute temperature from 298 K. The value of Ea is-
1. 49.5 kJ mol-1
2. 52.9 kJ mol-1
3. 55.5 kJ mol-1
4. 57.9 kJ mol-1
1. 49.5 kJ mol-1
2. 52.9 kJ mol-1
3. 55.5 kJ mol-1
4. 57.9 kJ mol-1
Subtopic: Arrhenius Equation |
63%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
The activation energy for the reaction 2HI(g) → H2 + I2(g) is 209.5 kJ mol−1 at 581K. The fraction of molecules of reactants having energy equal to or greater than activation energy is-
1. 2.67×10-19
2. 3.57×10-18
3. 4.67×10-17
4. 1.47×10-19
1. 2.67×10-19
2. 3.57×10-18
3. 4.67×10-17
4. 1.47×10-19
Subtopic: Arrhenius Equation |
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
- 1(current)
Q. No.
© 2024 GoodEd Technologies Pvt. Ltd.