Which of the following statement (s) are correct? A. Average rate cannot be used to predict the ...

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Which of the following statement (s) are correct?
A. Average rate cannot be used to predict the rate of a reaction at a particular instant.

B. Average rate depends upon the change in concentration of reactants or products and the time taken for that change to occur.
C. Unit of rate of reaction is concentration time \( { }^{-1} \).
D. Rate of reaction does not depend upon the experimental conditions such as concentration of reactants, temperature and catalyst.
(1) A, B and C
(2) A and D
(3) A, C and D
(4) B, C and D
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