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At 25^@C the half life of decomposition ...

At `25^@C` the half life of decomposition of `H_2O_2` is 50 min. If initially `4M H_2O_2` is present, amount of `H_2O_2` left after 200 min is

A

2M

B

0.5 M

C

0.25M

D

1 M

Text Solution

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The correct Answer is:
C
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USHA PUBLICATION-CHEMICAL KINETICS-EXERCISE
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  2. Which equation gives relationship between rate-constant and tempeature...

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  3. At 25^@C the half life of decomposition of H2O2 is 50 min. If initiall...

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  4. The rate constant is numerically same for three reactions of 1st, 2nd ...

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  5. In the above question if cone, of the reactant is less than 1 M, then

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  6. A reaction Xrarr product, completed 50% in 25 min. If concentration of...

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  7. A reaction involving two different reactants can never be

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  8. A substance with half life period 4 days is taken to another place in ...

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  9. For every 10^@C rise in temperature the rate of reaction increases nea...

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  10. The reaction CH3COOC2H5+H2Oundersetrarr(H^(+))CH3COOH+C2H5-OH is an ex...

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  11. For a 1st order reaction log (a-x) is plotted Vs time, a straight line...

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  12. The rate constant of a reaction is 2.5xx10^-2mole^-1 lit sec^-1. The o...

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  13. For a reaction, Ararr B + C, activation energy is 15 kJ/mole and entha...

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  14. For the reaction ArarrB+C, DeltaH = +25 kJ mole The activation energy ...

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  17. The rate ofreaction at different times are as follows : [[time(sec),0,...

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  18. For a chemical reaction ArarrB, it is found that the rate of reaction ...

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  19. The unit of rate constant for a zero order reaction is

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