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1.
In which of the following, the bond length between hybridised carbon atom and other carbon atom is minimum?
2.
Which is expected to conduct electricity?
3.
Metals are good conductors of electricity because they contain
4.
The species having pyramidal shape is
5.
The attraction that non-polar molecules have for each other is primarily caused by:
6.
In 
carbon atom has hybridisation:
carbon atom has hybridisation:
7.
Which of the following species has four lone pairs of electrons in its outer shell?
8.
For AB bond if per cent ionic character is plotted against electronegativity difference 
the shape of the curve would look like
The correct curve is
the shape of the curve would look likeThe correct curve is
9.
Chlorine atom, in its third excited state, reacts with fluorine to form a compound X. The formula and shape of X are
10.
The formation of the oxide ion 
requires first an exothermic and then an endothermic step as shown below,
; 
−
; 
This is because:
requires first an exothermic and then an endothermic step as shown below, ; − ; This is because: