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For a hypothetical reaction AtoL the rat...

For a hypothetical reaction `AtoL` the rate expression is rate `=-(dC_(A))/(dt)`

A

Negative sign represents that rate is negative

B

Negative sign pertains to the decrease in the concentrations of reactant

C

Negative sign indicates the attractive forces between reactants

D

All of the above are correct

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The correct Answer is:
B
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AAKASH SERIES-CHEMICAL KINETICS-Objective Exercise - 1
  1. If the first order reaction involves gaseous reactant & gaseous produc...

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

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

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

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

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  6. For a reaction Ato2B, as time proceeds

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

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

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

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

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

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

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

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  15. A catalyst accelerates the reaction, because

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  16. The unit of rate constant depends on

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  17. The temperature coefficient of a reaction is

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

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

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  20. For a reaction(K((1+10)))/(K((1)))=x. When temperature is increased fr...

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