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Question

Which of the following N3−,O2−,F− is largest in size?

A
N3
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B
O2
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C
F
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D
All of these
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Solution

The correct option is A N3
As we go across the period, the size of atom decreases. So, size of N is more compared to Oxygen and Fluorine.
Also, the size of anion is always more than that of atom. SO, N3 has the largest size.

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