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Q.

Which of the following statement is correct for $N O_{3}^{-}$ ion?

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a

Sum of all formal charges = + 1

b

Formal charge on one of the oxygen atoms = - 2

c

Formal charge on nitrogen atom = + 1

d

formal charge on one of oxygen atom $= - 3$

answer is C.

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Detailed Solution

formal charge = valence electrons – (lone pair electrons + $\frac{b o n d p a i r e l e c t r o n s}{2}$ )

= 5 – $(0 + \frac{8}{2})$

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Which of the following statement is correct for NO3− ion?