Among LiCl, BeCl2, BCl3 and CCl4, the covalent bond character follows the order.
LiCl< BeCl2> BCl3> CCl4
LiCl< BeCl2< BCl3> CCl4
LiCl< BeCl2< BCl3< CCl4
LiCl> BeCl2> BCl3> CCl4
The type of hybridization of boron in diborane is ______________.
Sp- hybridization
Sp2- hybridization
Sp3- hybridization
SP3d2- hybridization
H2O has a net dipole moment while BeF2 has zero dipole moment because
H2O molecule is linear while BeF2 is bent.
BeF2 molecule is linear while H2O is bent.
Fluorine has more electronegativity than oxygen
Beryllium has more electro negativity than oxygen.
In a regular octahedral molecule, MX6, the number of X-M-X bonds at 180o is_______________.
3
2
6
4
The dielectric constant of H2O is 80. The electrostatic force of attraction between Na+ and Cl- will be
Reduced to 1/40 in water than in air.
Reduced to 1/80 in water than in air.
Will be increased to 80 in water than in air
Will remain unchanged
In which one of the following molecules, the central atom said to adopt Sp2- hybridisation?
Be F2
BF3
C2H2
NH3
Among the following which compound will show the highest lattice energy?
KF
NaF
CsF
RbF
Strongest hydrogen bonding is shown by
H2O
HF
H2S
When the hybridisation state of carbon atom changes from Sp3 and finally to Sp, the angle between the hybridised orbitals.
Decreases gradually
Decrease considerably
Is not affected
Increases progressively
Which structure is linear?
SO2
CO2
CO32-
SO42-
