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Q.

Which of the following statement is correct for NO3− 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 + bond pair electrons2)

                        = 5 – ( 0 +82)

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