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Which one of the following is correct or...

Which one of the following is correct order of the size of iodine species ?

A

`I gt `I^(-)` gt `I^(+)`

B

`I^(+)` gt `I^(-)` gt I`

C

`I gt `I^(+)` gt `I^(-)`

D

`I^(+)` gt I gt `I^(-)`

Text Solution

Verified by Experts

The correct Answer is:
D
Anion formed after the gain of electron to the neutral atom and cation formed after the lose of electron from outer shell. Hence, cation has smaller size but anion has bigger size than its neutral atom. Thus, `I^(-)` gt I gt `I^(+)`.
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