Question
Differentiate between rate of reaction and reaction rate constant.
| S. No | Rate of Reaction | Reaction Rate Constant |
| (i) | Rate of reaction is the change in concentration of a reactant or product in a unit interval of time. | It is the rate of reaction when the molar concentration of each of the reactants is unity. |
| (ii) | The rate of reaction at any instant of time depends upon the molar concentrations of the reactants at that time. | The rate constant does not depend upon the concentrations of the reactants. |
| (iii) | Its units are always mol litre$^{–1}$ time$^{–1}.$ | Its units depend upon the order of reaction. |
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Column I
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Column II
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(i)
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Diamond.
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(a)
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Short interval of time.
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(ii)
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Instantaneous rate.
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(b)
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Ordinarily rate of conversion is imperceptible.
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(iii)
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Average rate.
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(c)
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Long duration of time.
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