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Which of the following expression can be...

Which of the following expression can be used to describe the instantaneous rate of the reaction ?
`2A+B rarr A_(2)B`

A

`(1)/(2)(-d[A])/(d t)`

B

`(-d[A])/(d t)`

C

`(1)/(2) (d[A_(2)B])/(d t)`

D

`(1)/(2) (-d[A])/(d t).(d[B])/(d t)`

Text Solution

Verified by Experts

The correct Answer is:
A
The instantaneous rate of the reaction can be expressed by any of the following expresisons.
`(1)/(2)(-d[A])/(d t)` or `(-d[B])/(d t)` or `(d[A_(2)B])/(d t)`
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