The conversion of molecules X to Y follows second order kinetics. If concentration of X is increased to three times, then the rate of formation of Y will -
1.
Decreases by 3 times
2.
Increase by 3 times
3.
Decreases by 9 times
4.
Increase by 9 times
Add Note
Subtopic: Order, Molecularity and Mechanism |
75%
From NCERT
Other Reason
Highlight in NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Upgrade Your Plan
Upgrade now and unlock your full question bank experience with daily practice.
Time required to decompose SO2Cl2 to half of its initial amount is 60 minutes. If the decomposition is a first order reaction, the rate constant of the reaction in sec–1 is-
1.
1.9 × 10–4 s–1
2.
1.7 × 10–4 s–1
3.
2.2 × 10–4 s–1
4.
1.6 × 10–4 s–1
Add Note
Subtopic: First Order Reaction Kinetics |
67%
From NCERT
Other Reason
Highlight in NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Upgrade Your Plan
Upgrade now and unlock your full question bank experience with daily practice.
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
Add Note
Subtopic: Arrhenius Equation |
63%
From NCERT
Other Reason
Highlight in NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Upgrade Your Plan
Upgrade now and unlock your full question bank experience with daily practice.
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-