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1.
The activation energies of two reactions are 
and 
. If the temperature of the system is increased from 
to 
, the rate constant of the reactions changes from 
to in the first reaction and 
and in the second reaction. Predict which of the following expression is correct?
and . If the temperature of the system is increased from to , the rate constant of the reactions changes from to in the first reaction and and in the second reaction. Predict which of the following expression is correct?
2.
Effective collisions are those in which molecules must:
3.
Consider the following statements,
The rate law for the acid catalysed hydrolysis of an ester being given as
Rate=k[H^+ ][ester]=k^' [ester].
If the acid concentration is doubled at constant ester concentration
1. The second order rate constant, k is doubled.
2. The pseudo first order rate constant, k is double.
3. The rate of the reaction is doubled.
Which of the above statements are correct?
The rate law for the acid catalysed hydrolysis of an ester being given as
Rate=k[H^+ ][ester]=k^' [ester].
If the acid concentration is doubled at constant ester concentration
1. The second order rate constant, k is doubled.
2. The pseudo first order rate constant, k is double.
3. The rate of the reaction is doubled.
Which of the above statements are correct?
4.
Half-life of two samples is 0.1 and 0.8 s. Their respective concentration is 400 and 50 respectively.
5.
The units of rate of reaction are
6.
Units of rate constant of first and zero order reactions in terms of molarity 
unit are respectively
unit are respectively
7.
The half time of a second order reaction is:
8.
vs times are a straight line. Order of reaction is
vs times are a straight line. Order of reaction is
9.
For an endothermic reaction where, 
represents the enthalpy of the reaction in kJ/mol, the minimum value for the energy of activation will be
represents the enthalpy of the reaction in kJ/mol, the minimum value for the energy of activation will be
10.
The unit of rate constant for a zero order reaction