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If a is the initial concentration of the...

If `a` is the initial concentration of the rectant, the half life period of the reaction of `n^(th)` order is inversely proportional to :

A

`a^(n-1)`

B

`a^(n)`

C

`a^(1-n)`

D

`a^(n+1)`

Text Solution

Verified by Experts

The correct Answer is:
A

`t_(1 // 2)=(1)/((n-1k))[(2^(n-1)-1)/(a^(n-1))]`
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DISHA PUBLICATION-CHEMICAL KINETICS -EXERCISE 1 : CONCEPT BUILDER (TOPICWISE) (TOPIC 2: Order of Reaction and Half Life Period)
  1. The hydrolysis of ester in alkaline medium is a

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  2. Which of the following expression is correct for first order reaction ...

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  3. If a is the initial concentration of the rectant, the half life period...

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  4. For the zero order reaction AtoB+C, initial concentration of A is 0.1 ...

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  5. In the presence of acid, the initial concentration of cane sugar was r...

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  6. For the reaction 3A(g)overset(k)toB(g)+C(g) k is 10^(-4)L//mol.min. ...

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  7. 99% at a first order reaction was completed in 32 min. When will 99.9%...

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  8. Which of the following represent the expression for (3)/(4)th life of ...

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  9. A hypothetical reaction A(2) + B(2) rarr 2AB follows the mechanism as ...

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  10. The time taken for 90% of a first order reaction to be completed is a...

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  11. A substance 'A' decomposes by a first order reaction starting initial...

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  12. Half life of a first order reaction is 4s and the initial concentrati...

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  13. 3A to B+C, it would be a zero order reaction when

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  14. The reaction A toB follows first order reaction. The time taken for 0....

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  15. For a first-order reaction A rarr B the reaction rate at reactant conc...

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  16. For a reaction A + 2B rarr C, rate is given by R = K [A] [B]^(2). The ...

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  17. In a first order reaction, the concentration of the reactant, decrease...

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  18. In a reaction, when the concentration of reactant is increased two ti...

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  19. The rate constant of a first order reaction is 6.9xx10^(-3)s^(-1). How...

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  20. The plot that represents the zero order reaction is:

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