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For the reaction: 2HIrarr H(2)+I(2), the...

For the reaction: `2HIrarr H_(2)+I_(2)`, the expresison `-d(HI)//2dt` represents

A

The rate of formation of `HI`

B

The rate of disappearance of `HI`

C

The instantaneous rate of the reaction

D

The average rate of reaction

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The correct Answer is:
C
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