Chemical bonding questions | form five Chemistry

(a) In chemical bond formation , the ionization enthalpy and electron affinity are involved . Briefly describe how:

1. Ionic bond formation is favoured by ionization enthalpy and electron affinity.
2. Covalent bond formation is favoured by ionization enthalpy and electron affinity.

(b) Briefly describe the following phases. Give one example of a chemical structure for each :

1. Hydrogen bond
2. Coordinate covalent bond.

Answer / Solution

UNSOLVED

Differentiate:
(i) Electrovalent bond from octet rule.
(ii) Lone pair from bonding pair of electrons.

Answer / Solution

UNSOLVED

Using sketches, briefly explain three possible overlaps that can occur during sigma bond formation.

Answer / Solution

UNSOLVED

Give two reasons for the observed difference in bond strength between sigma and pi bonds in compounds.

Answer / Solution

UNSOLVED

Predict the geometry of ammonia, basing on the Valence Shell Electron Pair Repulsion
(VSEPR) theory.

Answer / Solution

UNSOLVED