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The stadard heats of formation of NO(2)(...

The stadard heats of formation of `NO_(2)(g)` and `N_(2)O_(4) (g)` are `33.5` and `8.4 kJ mol^(-1)` respectively. The heat of dimerisation of `NO_(2)` in kJ is

A

41.9

B

`-25.1`

C

`-52.2`

D

`-58.6`

Text Solution

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The correct Answer is:
D
`2NO_(2) rarr N_(2)O_(4)`
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