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Covalent radius of oxygen is 0.74 A^(@) ...

Covalent radius of oxygen is `0.74 A^(@)` and its A .R. electronegativity is `3.5` . What is the effective nuclear charge experienced by oxygen ?

A

`4.20`

B

`5.30`

C

`3.50`

D

`2.92`

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The correct Answer is:
A
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