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1
IIT-JEE 1992
MCQ (Single Correct Answer)
+1
-0.25
The type of hybrid orbitals used by the chlorine atom in $$ClO_2^-$$ is
A
sp3
B
sp2
C
sp
D
none of these
2
IIT-JEE 1992
MCQ (Single Correct Answer)
+1
-0.25
The maximum number of hydrogen bonds a water molecule can form is
A
2
B
4
C
3
D
1
3
IIT-JEE 1989
MCQ (Single Correct Answer)
+1
-0.25
Which of the following is paramagnetic?
A
$$O_2^-$$
B
CN-
C
CO
D
NO+
4
IIT-JEE 1989
MCQ (Single Correct Answer)
+1
-0.25
The molecule which has zero dipole moment is:
A
CH2Cl2
B
BF3
C
NF3
D
ClO2

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