The formal changes on the atoms marked as (A) to (4) in the Lewis representation of HnO3 molecule respectively are H – O – N = O O 2 4 (1) +1, 0, 0, –1 (B) 0, –1, 0, +1 (C) 0, +1, 0, –1 (D) 0, 0, –1,

Question

The formal changes on the atoms marked as

(A) to (4) in the Lewis representation of HnO3 molecule respectively are H – O – N = O O 2 4 (1) +1, 0, 0, –1
(B) 0, –1, 0, +1
(C) 0, +1, 0, –1
(D) 0, 0, –1, +1

Prashant Kotian · Accepted Answer

Correct answer: C. Consider the structure of HNO3 O N O O 4 H 2 1 :- 0 2 :- (+1) 3 :- 0 4 :- (–1) Formal charge = valence e’s – non bonding e’s – bonding electrons      

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