Linus Pauling received the Nobel prize for his work on ____________.
Atomic structure
Photosynthesis
Chemical bonds
Thermodynamics
Which of the following does not apply to metallic bond?
Overlapping valence orbitals
Mobile valence electrons
Delocalised electrons
Highly directed bonds
Which structure is linear?
SO2
CO2
CO32-
SO42-
Mark the incorrect statement in the following.
The bond order in the species O2, O2+ and O2- decreases as O2+> O2>O2-
The bond energy in a diatomic molecule always increases when an electron is lost.
Electrons in antibonding molecule contribute to repulsion between two atoms.
With increase in bond order, bond length decreases and bond strength increases.
Among the following which compound will show the highest lattice energy?
KF
NaF
CsF
RbF
Which one of the following is the correct order of interactions?
Covalent
Van der waal's < hydrogen bonding < dipole - dipole< covalent
Van der Waal's < dipole- dipole< hydrogen bonding < covalent
Dipole-dipole
The boiling point of p- nitrophenol is higher than that of O- nitrophenol because___________.
NO2 group at p- position behave in a different way from that at O- position.
Intramolecular hydrogen bonding exists in p- nitrophenol
There is intermolecular hydrogen bonding in p- nitrophenol.
P- nitrophenol has a higher molecular weight than O- nitrophenol.
Equilateral shape has
sp - hybridization
sp2- hybridization
sp3- hybridization
dsp2- hybridization
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
The weakest among the following types of bond is _________.
Ionic
Metallic
H- bond
