IGNOU CHE 10 2016 - Discuss predissociation using the suitable diagram.

Question

Discuss predissociation using the suitable diagram.

26 Oct 2017

Answer :

Word Count : 333

Predissociation refers to the dissociation of a molecule occurring prior to reaching the equilibrium internuclear separation. This phenomenon is often observed in molecular spectroscopy, particularly in the study of electronic, vibrational, and rotational energy levels.

Let's consider a hypothetical diatomic molecule to illustrate predissociation using a potential energy diagram. The potential energy diagram shows the relationship between the potential energy of the molecule and the internuclear separation distance.

1. Equilibrium State (Stable Bonding):
- At the equilibrium internuclear separation, the molecule is in a stable state with a

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