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Which of the following noble gases has t...

Which of the following noble gases has the first ionization enthalpy which is almost identical to that of dioxygen?

A

`Rn`

B

`Xe`

C

`Kr`

D

`Ar`

Text Solution

Verified by Experts

The correct Answer is:
2
The first ionization enthalpy for `O_(2)rarrO_(2)^(+)` is `1165" KJ mol"^(-1)`, which is almost the same as the value of `1170" KJ mol"^(-1)` for `Xe rarr Xe^(+)`.
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