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Which one of the following is a second o...

Which one of the following is a second order reaction?

A

`H_(2) + Br_(2) rightarrow 2HBr`

B

`NH_(4)NO_(3) rightarrow N_(2) + 3H_(2)O`

C

`H_(2) + CI_(2) overset"(sunlight)"to 2HCI`

D

`CH_(3)COOCH_(3) + NaOH rightarrow CH_(3)COONa+H_(2)O`

Text Solution

Verified by Experts

The correct Answer is:
D
`H_(2) + Br_(2) rightarrow 2HBr`
`H_(2) _CI_(2) rightarrow 2HCI`
These are photochemical reactions, Order = zero.Decomposition of ammonium nitrate in a aqueous solution is a first oreder reaction.
`NH_(4)NO_(3) rightarrow N_(2) + 3 H_(2)O`
Hydrolysis of ester by an alkali (saponification) is a second order reaction.
`CH_(3)COOCH_(3) + NaOH rightarrow CH_(3)COONa + CH_(3)OH`.
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