1
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
2
IIT-JEE 1992
MCQ (More than One Correct Answer)
+1
-0.25
Which of the following have identical bond order?
A
CN-
B
$$O_2^-$$
C
NO+
D
CN+
3
IIT-JEE 1992
MCQ (Single Correct Answer)
+1
-0.25
The cyanide ion, CN- and N2 are isoelectronic, But in contrast to CN-, N2 is chemically inert, because of
A
low bond energy
B
absence of bond polarity
C
unsymmetrical electron distribution
D
presence of more number of electrons in bonding orbitals
4
IIT-JEE 1992
MCQ (More than One Correct Answer)
+1
-0.25
The molecules that will have dipole moment are
A
2, 2-dimethylpropane
B
trans-2-pentene
C
cis-3-hexene
D
2,2,3,3-tetramethylbutane

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