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Lewis structures, octet rule, formal charge
JEE Main level
Single correct option
Difficulty 2 of 3
cb012
In the Lewis structure of nitrous oxide written as
N
≡
N
X
+
−
O
X
−
, the formal charge on the central nitrogen atom is
A
−
1
B
+
2
C
+
1
D
0
Answer: C
The central N has four bonds (one triple + one single) and no lone pair:
5
−
0
−
4
=
+
1
. The terminal N is 0 and O is
−
1
, so the total is 0.
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