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Chemical Kinetics - 03
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Q1. 3A → B + C , it would be a zero order reaction when
*
1 point
The rate of reaction remains same at any concentration of A
The rate of reaction is proportional to square of concentration of A
The rate of reaction doubles if concentration of B is increased to double
The rate remains unchanged at any concentration of B and C
Q2. Order of reaction is decided by
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1 point
Mechanism of reaction as well as relative concentration of reactants
Pressure
Molecularity
Temperature
Q3. Velocity constant k of a reaction is affected by
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1 point
Change of temperature
None of the above
Change in the concentration of the product
Change in the concentration of the reactant
Q4. Hint - The reaction is first order reaction
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1 point
0.8
0.07
0.04
0.1
Q5. A zero order reaction is one whose rate is independent of
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1 point
The temperature of reaction
The material of the vessel in which reaction is carried out
The concentration of the reactants
The concentration of the product
Q6. The rate law for a reaction between the substances A and B is given by Rate = k [A]n [B]m. On doubling the concentration of A and halving the concentration of B, the ratio of the new rate to the earlier rate of the reaction will be as
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1 point
(m + n)
1/2^(m+n)
2^(n-m)
None
Q7. In the reaction 2A + B → A2B, if the concentration of A is doubled and that of B is halved, then the rate of the reaction will
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1 point
increase 2 times
decrease 2 times
remain the same
increase 4 times
Q8. The order of a reaction, with respect to one of the reacting component Y, is zero. It implies that
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1 point
The reaction rate is independent of the concentration of Y
The rate of reaction does not vary with temperature
The rate of formation of the activated complex is zero
The reaction is going on at a constant rate
Q9. If the rate of a gaseous reaction is independent of pressure,the order of reaction is
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1 point
1
0
2
3
Q10. If the rate of the reaction is equal to the rate constant, the order of the reaction is
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1 point
2
0
1
3
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