Kerala PSC Lecturer in Chemistry Previous Question Paper – 206/2023

The Commission publishes this paper without an answer key, so no answers are shown.

1. Explain the curricular potentialities of various community Resources. (4)

2. Discuss any four factors to be considered while integrating ICT in classroom practices. (4)

3. Discuss how School of Relativism differs from Eclectic views in Philosophy. (4)

4. Explain how teaching varies according to different levels of learner ? (4)

5. How to conduct a Historical Research in education? (4)

6. Discuss the formal and informal community engagement practices an activities for establishing interrelationship between school and community. (6)

7. Inclusive classrooms have become engaging learning environments with the use of ICT. Comment. (6)

8. "Your Mental Health is everything" – Prioritize it. Comment on this statement. What strategies can you employed to support an individual with a mental health problem ? (6)

9. Describe any six student centred teaching strategies. (6)

10. What are the criteria that you would follow while preparing an Experimental Research in Education ? (6)

11. Magnetite (Fe₃O₄) is a mineral contain Fe²⁺ and Fe³⁺ ions in its crystal lattice. Explain inverse spinal structure using Fe₃O₄ as an example. (3)

12. "Organic compounds can be aromatic and anti-aromatic". Substantiate this statement using suitable examples. (3)

13. A first order reaction takes 12 hours for completing 90% of the reaction. How many hours will it take to complete 80% of the reaction? What is its half-life period? (3)

14. [NiCl₄]²⁻ and [Ni(CO)₄] are species with the same coordination number. Do they have the same structure? Explain their structures and magnetic properties. Atomic number of Ni = 28. (4)

15. What is coupling reaction ? Explain Heck coupling. (4)

16. How will CD and ORD help us in determining the absolute configuration of metal complexes ? (4)

17. Which of the following compounds give Cannizzaro reaction and Aldol condensation?
a) CH₃CHO
b) HCHO
c) C₆H₅CHO
d) CH₃CH₂CHO
Write the mechanism of Aldol condensation using one of the above compounds. (4)

18. How will you prepare pyridine from acetylene ? Pyridine will not undergo Friedel Crafts acylation. Why ? Write any four uses of pyridine. (4)

19. Write notes on:
a) Retro synthesis
b) Convergent synthesis. (4)

20. What is transport number ? How will you find out the transport number using Hittorf Method ? (4)

21. N₂ + 3H₂ ⇌ 2NH₃ + Heat (Fe/Mo, 450°C). Explain the influence of temperature and pressure in the industrial production of ammonia. (4)

22. Which law gives the relation between atomic mass and specific heat of an element? Give any one application of this law and quantum effect of it. Is this law true for Silicon at normal temperature and why? (4)

23. Supramolecular chemistry is receiving wide attention now-a-days. Explain the principle of supramolecular chemistry and its applications in our daily life. (5)