1
AIPMT 2000
MCQ (Single Correct Answer)
+4
-1
Which species does not exhibit paramagnetism?
A
N2+
B
O2$$-$$
C
CO
D
NO
2
AIPMT 2000
MCQ (Single Correct Answer)
+4
-1
d$$\pi $$ $$-$$ p$$\pi $$ bond present in
A
CO32$$-$$
B
PO43-
C
NO3$$-$$
D
NO2$$-$$
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