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Burning of coal is reprsented as C((s))+...

Burning of coal is reprsented as `C_((s))+O_(2(g))toCO_(2(g))`. The rate of this reaction is increased by

A

decrease in the concentration of oxygen

B

Powdering the lumps of coal

C

decreasing the temperature of coal

D

Providing inert atmosphere

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The correct Answer is:
B
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AAKASH SERIES-CHEMICAL KINETICS-Objective Exercise - 1
  1. The reaction 2NO+O(2)to2NO(2),2CO+O(2)to2CO(2) look to be identical, y...

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  2. If the first order reaction involves gaseous reactant & gaseous produc...

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  3. Burning of coal is reprsented as C((s))+O(2(g))toCO(2(g)). The rate of...

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  4. For a hypothetical reaction AtoL the rate expression is rate =-(dC(A))...

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  5. For the reaction 2HItoH(2)+I(2) the expression -1/2(d[HI])/(dt) repres...

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  6. For 3AtoxB,(d[B])/(dt) is found to be 2/3rd of (d[A])/(dt),. Then the ...

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  7. For a reaction Ato2B, as time proceeds

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  8. At 298 K, atm among A. H(2)+O(2)to2H(2)O B. H(2)+Cl(2)to2HCl c. N...

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  9. In which of the following cases, rate of disappearance of any reactant...

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  10. For 1/2X(2)+Y(2)toXY(2) relartive rates of species is given as

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  11. For N(2)+3H(2)to2NH(3) rates of disappearance of N(2) and H(2) and rat...

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  12. The reaction CH(3)COOC(2)H(5)+H(2)Ooverset(H^(+))(to) products is a/an...

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  13. From the graph the value (Deltac)/(Deltat) and the value of rate react...

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  14. The rate of reaction which does not involve gases, does not depend upo...

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  15. The specific rate constant of a reaction depends on the

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  16. A catalyst accelerates the reaction, because

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  17. The unit of rate constant depends on

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  18. The temperature coefficient of a reaction is

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  19. If concentration of reactants is made x times the rate constant k beco...

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  20. The temperature coefficient of most of the reactions lies between

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