Bsc 1st Year Inorganic Chemistry Paper 2018

In this blog, I will share the BSc 1st Year Inorganic Chemistry Paper 2018. this question helps to secure a good mark in inorganic chemistry.

BSc 1st Year Inorganic Chemistry Paper 2018

1. (a) Write the electronic configuration of Cr (Atomic number = 24).

(b) Define Frenkel defect.

(c) What is the value of bond order in He2 molecule?

(d) Define Polarizability.

(e) Which has higher ionization energy, Oxygen or Nitrogen?

(f) What is the hybridization and shape of the CIO4, ion?

2. (a) Which set of quantum numbers are possible?
(i) n = 4 14, m = – 2
(ii) n = 3 , m = – 1
(iii) n = 5 l = 1 m = 0
(iv) n = 5 , m = – 1

(b) Draw the radial probability distribution graph for:
(i) 3s
(ii) 3p
(iii) 3d

3. (a) An electron can not exist in the nucleus. Explain on the basis of Heisenberg’s uncertainty principle.

(b) Derive de Broglie equation. What is the significance of the de-Broglie equation?

4. (a) Using Slater’s rule, calculate the effective nuclear charge experienced by 3s electrons in Aluminium.

(b) Explain the following:
(i) Explain Pauli’s Exclusion principle.
(ii) Explain Hund’s Rule.

5. (a) Explain the following:
(i) Why the electron affinity values of 18th group elements are Zero?
(ii) Which has the lowest 2nd ionization energy and why out of Na and Mg?

(b) Define electronegativity. What are the factors affecting it along the period and group?

6. (a) Explain the shape of Sulphate ion on the basis of hybridization.

(b) Describe the shape of SF4 molecule by using VSEPR theory.

7. (a) What is bond order? Draw the MO diagram of the NO molecule and predict its bond order.

(b) Explain the Valence bond theory and write its limitations.

8. (a) Describe the structure of NaCl.

(b) Discuss the Born-Haber cycle for the calculation of the lattice energy of a solid.

9. (a) Explain Fajan’s rule with example.

(b) Explain the ionic structure, co-ordination number of CaF2