1.

The half life of a reaction is inversely proportionaly to the square of the initial concentration of the reactant . Then the order of the reaction is :

Answer»

0
1
2
3

Solution :(D) `t_(1//2) prop [A]_(0)^(1-N)`
where n = ORDER of reaction
SINCE `t_(1//2)prop (1)/([A_(0)]^(2))`
`implies t_(1//2)prop[A_(0)]^(-2)`
`1-n =-2 ` n=3.


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