1.

How many time is required to complete reaction when initial concentration of reactant is [R]_(0) zero order reaction?

Answer»

`([R]_(0))/(K)`
`(2[R]_(0))/(K)`
`([R]_(0)^(2))/(K)`
`(1)/(2)([R_(0)])/(K)`

Solution :If the TIME of zero order reaction =t ,then `t=([R]_(0)[R])/(k)`
If the zero order reaction BECOMES 100% ,then final concentration R will be zero.
`therefore [R]`=zero=[R]
If we put this VALUE in the EQUATION,
`t=([R]_(0)-0.0)/(k)`
`therefore t=([R]_(0))/(k)` ,So option (C) is correct


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