Which one of the following is the correct order of interactions ?
Covalant < hydrogen bonding < van der Waal's < dipole-dipole
van der Waal's < hydrogen bonding < dipole-dipole < covalent
van der Waals' < dipole-dipole < hydrogen bonding < covalent
Dipole-dipole < van der Waals' < hydrogen bonding < covalent
Which of the following species has a linear shape ?
SO2
O3
The high density of water compared to ice is due to
hydrogen bonding interactions
dipole-dipole interactions
dipole-induced dipole interactions
induced dipole-induced dipole interactions
In and Y both are electronegative elements, then
electron density on X will increase and on H will decrease
in both electron density will increase
in both electron density will decrease
on X electron density will decrease and on H increase
The molecule which does not exhibit dipole moment is
NH3
CHCl3
H2O
CCl4
The electric 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
Which of the following does not have a tetrahedral structure ?
BH4
BH3
Among the following which compound will show the highest lattice energy ?
KF
NaF
CsF
RbF
For two ionic solids CaO and Kl, identify the wrong statement among the following
Lattice energy of CaO is much larger than that of Kl
Kl is soluble in benzene
Kl has lower melting point
CaO has higher melting point
