1

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
2

IIT-JEE 2005 Screening

MCQ (Single Correct Answer)
Which species has the maximum number of lone pair of electrons on the central atom?
A
[ClO3]-
B
XeF4
C
SF4
D
[I3]-
3

IIT-JEE 2004 Screening

MCQ (Single Correct Answer)
According to molecular orbital theory which of the following statement about the magnetic character and bond order is correct regarding $$O_2^+$$
A
Paramagnetic and Bond order < O2
B
Paramagnetic and Bond order > O2
C
Diamagnetic and Bond order < O2
D
Diamagnetic and Bond order > O2
4

IIT-JEE 2003 Screening

MCQ (Single Correct Answer)
Which of the following are isoelectronic and isostructural?
$$NO_3^-$$, $$CO_3^{2-}$$, $$ClO_3^-$$, SO3
A
$$NO_3^-$$, $$CO_3^{2-}$$
B
SO3, $$NO_3^-$$
C
$$ClO_3^-$$, $$CO_3^{2-}$$
D
$$CO_3^{2-}$$, SO3

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