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1.
The hybrid state of 
in 
is similar to that of
in is similar to that of
2.
The hydration energy of 
is larger than that of:
is larger than that of:
3.
Number of lone pair (s) in 
is/are
is/are
4.
Van der Waals' forces between molecules depend upon:
5.
is:
is:
6.
The bond order in NO is 2.5 while that in 
is 3. Which of the following statements is true for these two species?
is 3. Which of the following statements is true for these two species?
7.
An atom with atomic number 20 is most likely to combine chemically with the atom whose atomic number is:
8.
Which has the largest distance between the carbon hydrogen atom?
9.
Length of hydrogen bond ranges from 2.5Å to:
10.
If 
bond length is 
and bond has dipole moment 
, the percentage of ionic character in the molecule will be
bond length is and bond has dipole moment , the percentage of ionic character in the molecule will be