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Half-life of a reaction is found to be i...

Half-life of a reaction is found to be inversely proportional to the cube of its initial concentration. The order of reaction is

A

4

B

3

C

5

D

2

Text Solution

Verified by Experts

The correct Answer is:
A
`t(1//2)prop(1)/(a^(n-1))`
When n=4, `t_(1//2)prop(1)/(a^(3))`
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MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS-CHEMICAL KINETICS -Exercise 2
  1. The conversion of molecules X to Y follows second order kinetics. If t...

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  2. In the sequence of reaction, L overset(k(1))rarr M overset(k(2))rar...

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  3. Half-life of a reaction is found to be inversely proportional to the c...

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  4. For an exothermic chemical process occurring in two as (i) A + B rar...

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  5. A reactant (A) forms two products A overset (k(1))rarr B, Activation...

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  6. In a first order reaction, ArarrP, the ratio of a//(a-x) was found to...

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  7. The rate of a chemical reaction becomes double for every 10^(@) rise i...

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  8. For a reaction 1//2A to 2B, rate of disappearance of A is related to t...

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  9. The rate of a reaction doubles when its temperature changes form 300 K...

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  10. A plot of "Ink "v//s " 1/T" for a reaction gives the slope -1xx10^(4)k...

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  11. In a zero-order reaction for every 10^(@) rise of temperature, the rat...

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  12. During the kinetic study of the reaction 2A+BrarrC+D, following result...

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  13. The inversion of cane sugar is first order in [sugar] and proceeds wit...

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  14. The initial rates of reaction 3 A+ 2B +C rarr products at different in...

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  15. For a reaction , 2N(2)O(5)rarr4NO(2)+O(2), the rate is directly propo...

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  16. At 500 K, the half-life period of a gaseous reaction at the initial pr...

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  17. The energies of activation for forward and reverse reaction for A(2)+...

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  18. A reaction was found to be second order with respect to the concentrat...

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  19. For the second order reaction, A+Brarr"products" when a moles of A...

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  20. A(g)overset(Delta)rarrP(g)+Q(g)+R(g), follows first order kinetics wit...

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