1

IIT-JEE 2010

MCQ (Single Correct Answer)
The species having pyramidal shape is
A
SO3
B
BrF3
C
$$SiO_3^{2-}$$
D
OSF2
2

IIT-JEE 2010

MCQ (Single Correct Answer)
Assuming that Hund’s rule is violated, the bond order and magnetic nature of the diatomic molecule B2 is
A
1 and diamagnetic
B
0 and diamagnetic
C
1 and paramagnetic
D
0 and diamagnetic
3

IIT-JEE 2007

MCQ (Single Correct Answer)
Among the following the paramagnetic compound is
A
Na2O2
B
O3
C
N2O
D
KO2
4

IIT-JEE 2007

MCQ (Single Correct Answer)
The species having bond order different from that in CO is
A
NO-
B
NO+
C
CN-
D
N2

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