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For the reaction H(2)(g)+I(2)(g) hArr 2H...

For the reaction `H_(2)(g)+I_(2)(g) hArr 2HI(g)`, the rate of reaction is expressed as

A

`- ( Delta [ I_(2) ] )/( Delta t ) = - ( Delta [H_(2)])/(Delta t ) = ( 1)/( 2) ( Delta [ HI])/( Delta t ) `

B

` ( Delta [ I_(2) ] )/( Delta t ) = ( Delta [H_(2)])/(Delta t ) = ( Delta [ HI])/( 2Delta t ) `

C

` ( Delta [ H_(2) ] )/( Delta t ) = - (1)/(2)( Delta [I_(2)])/(Delta t ) = ( Delta [ HI])/( Delta t ) `

D

none of these

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The correct Answer is:
A
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