Q.

Which of the following statement is true?

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a

Order of each reactions can be defined and have a fixed definite value

b

It may or may not be possible to define rate constant for a reaction

c

Molecularity of a complex reaction is equal to order of a complex reaction

d

Rate constant for every reaction can be defined and have fixed definite value

answer is C.

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Detailed Solution

It may or may not be possible to define rate constant for a reaction is true.

The rate constant varies with temperature, and the rate law's units are determined by the sum of the exponents for the concentration term. The coefficients in the balanced chemical equation do not always correlate to the exponents (y and z), which must be established empirically.

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