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For a reaction 1/2 A rarr 2B, the rate o...

For a reaction `1/2 A rarr 2B`, the rate of disapperance of 'A' is related to the rate of apperance of B by the expression.

A

`-d [A] /dt = 1/2 d[B]/ dt`

B

`-d [A] /dt = 1/4 d [B]/dt`

C

`-d [A] /dt = d [B] /dt`

D

`-d [ A] / dt = 4 d [b] / dt`

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