1.

Theslopeof agraphl n[A_(t)]versus t fora firstorderreactionis-2.5xx10^(-3) s^(-1) . Therateconstantforthereactionwill be

Answer»

`5.76 xx10^(-3) s^(-1) `
`1.086xx10^(-3)s^(-1) `
`-2.5xx10^(-3) s^(-1)`
`2.5 xx10^(-3)s^(-1)`

SOLUTION :SLOPE`=(-K)/(2.303)`
`k=2.5xx10^(-3)xx2.303=5.76xx10^(-3)S^(-1)`


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