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A graph is plotted between log K versus 1T for calculation of activation energy Ea. The correct plot is

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Important Questions on Chemical Kinetics

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Given the hypothetical reaction mechanism

AIBIICIIIDIV E and the rate as

Species formed Rate of its information
B 0.002 mol/h per mole of A
C 0.030 mol/h per mole of B
D 0.011 mol/h per mole of C
E 0.420 mol/h per mole of D

The rate determining step is

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For the chemical reaction

2O33O2, the reaction proceeds as follows

O3O2+O (Fast)

O+O32O2, (Slow)

the rate law expression should be given as

HARD
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For a reversible reaction, AB, which one of the following statement is wrong from the given energy profile diagram?

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Under the same reaction conditions, initial concentration of 1.386 mol dm-3 of a substance becomes half in 40 s and 20 s through first order and zero order kinetics, respectively. Ratio k1k0 of the rate of constants for first order k1 and zero order k0 of the reaction is
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The rate of a reaction triples when temperature changes from 200C to 500C. The energy of activation for the reaction is R=8.314JK-1 mol-1
EASY
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Which of the following expression is correct for the rate of reaction given below ?

5Br-aq+BrO3-aq+6H+aq3Br2aq+3H2Ol

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For an endothermic reaction, where ΔH represent the enthalpy of reaction in kJ mol-1, the minimum value for energy of activation (for forward reaction) will be
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A graph is plotted between log K versus 1T for calculation of activation energy Ea. The correct plot is