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Which is the correct order of size ? (...

Which is the correct order of size ?
`(O^(ɵ), O^(2-), F^(ɵ) and F )`

A

`O^(2-) gt O^(ɵ) gt F^(ɵ) gt F`

B

`O^(ɵ) gt O^(2-) gt F^(ɵ) gt F`

C

`O^(2-) gt F^(ɵ) gt F gt O^(ɵ)`

D

`O^(2-) gt F^(ɵ) gt O^(ɵ) gt F`

Text Solution

Verified by Experts

The correct Answer is:
A
The more the negative charge, the larger the size of anion.
Moreover along the period `(rarr)` size of atom decreases.
`:.` Size of `O^(ɵ) gt F^(ɵ)`
Size of atom is less than its anion. Hence the order is
`O^(2-) gt O^(ɵ) gt F^(ɵ) gt F`
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