1.

For the reaction X-Y, the concentration of X are 1.2 M, 0.6M, order of reaction is:

Answer»

Zero
Half
ONE
two

Solution :C) `UNDERSET("Initialtime")1.2M to underset("1 hr")0.6M to underset(2 hr)0.3M to underset(3 hr)0.15 M`
`t_(1//2) = 1HR`.
For the nth order REACTION.
`(t_(1//2))_(1)/(t_(1//2))_(2) = ([A_(0)]_(2)^(n-1))/([A_(0)]_(1)^(n-1))`
`1=(6/3)^(n-1)` or `(2)^(0) = (2)^(n-1)`
n-1=0 or n=1
Order of reaction is one.


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