The strongest bond is ____________.
sigma
Pi
both Sigma & Pi
None
PCI5 has _____________ structure .
linear
pyramidal
bipyramidal
‘V’ shape
___________ overlap occurs in H2S.
s-s
s-p
p-p
s-d
Sigma bond is seen in __________ molecule.
only H2
only BF3
only BeF2
all 3
C2H2 forms ______________ bonds.
Double
Ionic
Sigma
Triple
Number of electrons in the valence orbit of nitrogen in an ammonia molecule are__________ .
8
5
6
7
___________ bond involves sharing of electrons
Covalent bond
Coordinate bond
Ionic bond
None of these
In ____________ covalent bond formation one atom contribute two electrons and the other atom contributes no electron.
Multiple
Co-ordinate
Molecules having single bond can have only a ___________ bond.
Hydrogen has an unpaired electron in the _________ orbital.
2s
3s
2p
1s
