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Earn 100

For two first order reaction having same rate at certain temperature; If Ea1-Ea2=2RT
Then find lnA1A2:

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Important Questions on Chemical Kinetics

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Two different reactions at 300 K having same pre-exponential factor. The activation energy of first reaction is more than that of second reaction by 5.75 kJ. Then find k2k1
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For a gaseous reaction, activation energy is 83 kJ.calculate ratio of ℓnK37°CK27°C for the reaction.
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The rate of reaction between two reactants A and B decreases by a factor of 4, if the concentration of reactant B is doubled. The order of this reaction with respect to reactant B is:
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For the non-stoichiometric reaction, 2A+BC+D, the following kinetic data were obtained in three separate experiments, all at 298 K.

Initial
concentration of A
Initial
concentration of B
Initial rate of formation of C
0.1 M 0.1 M 1.2×10-3 M s-1
0.1 M 0.2 M 1.2×10-3 M s-1
0.2 M 0.1 M 2.4×10-3 M s-1

The rate law for the formation of C is

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The following mechanism has been proposed for the reaction of NO with Br2 to form NOBr

NOg+Br2(g)NOBr2(g)

NOBr2g+NO(g)2NOBr(g)

If the second step is the rate determining step, the order of the reaction with respect to NO(g) is
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Higher order (>3) reactions are rare due to _______.

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The reaction

CH3COOC2H5+NaOHCH3COONa+C2H5OH is 

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Correct expression for the first order reaction is:-