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In the given options, d[C]/dt will not represent the reaction rate. It should not have -ve sign as it is product; since 1/3 d[C]/dt show the rate of formation of product C, which will be positive.

1. d[C]/dt will not represent the reaction rate.
2. It should not have -ve sign as it is product.
3. 1/3 d[C]/dt shows the rate of formation of product C.
4. The rate of formation of product C will be positive.

Correct answer: d[C]/dt will not represent the reaction rate.

Solution

The statement 'd[C]/dt will not represent the reaction rate' is incorrect because d[C]/dt does represent the rate of change of concentration of product C, which is a valid way to express the reaction rate.

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