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1
IIT-JEE 2007 Paper 1 Offline
MCQ (Single Correct Answer)
+3
-1

The species having bond order different from that in CO is :

A
NO$$^-$$
B
NO$$^+$$
C
CN$$^-$$
D
N$$_2$$
2
IIT-JEE 2007 Paper 1 Offline
MCQ (Single Correct Answer)
+3
-1

Among the following the paramagnetic compound is:

A
Na$$_2$$O$$_2$$
B
O$$_3$$
C
N$$_2$$O
D
KO$$_2$$
3
IIT-JEE 2007 Paper 1 Offline
MCQ (Single Correct Answer)
+3
-1

Statement 1 : Boron always forms covalent bond.

Statement 2 : The small size of B$$^{3+}$$ favours formation of covalent bond.

A
Statement 1 is True, Statement 2 is True, Statement 2 is a CORRECT explanation for Statement 1
B
Statement 1 is True, Statement 2 is True, Statement 2 is NOT a CORRECT explanation for Statement 1
C
Statement 1 is True, Statement 2 is False
D
Statement 1 is False, Statement 2 is True
4
IIT-JEE 2005 Screening
MCQ (Single Correct Answer)
+2
-0.5
Which species has the maximum number of lone pair of electrons on the central atom?
A
[ClO3]-
B
XeF4
C
SF4
D
[I3]-
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