Molecular physics — CSIR Net PYQ (Question 1)

A Molecular physics previous-year question (PYQ) from Atomic and Molecular Physics (CSIR Net). Read the question, check the correct answer, then practise the full topic.

Question 1 of 13 · 5.0 marks

The first ionization potential of

K

is 4.34 eV , the electron affinity of

C I

is 3.82 eV and the equilibrium separation of

K C I

0.3 nm

. The required to dissociate
a

K C I

molecule into a

K

and a

C I

atom is

18.62 eV
28.16 eV
328 eV
414 eV

Correct answer: Option 3

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This Molecular physics PYQ is part of the Atomic and Molecular Physics section of CSIR Net. Browse more Molecular physics questions or join the PhysicsByAaryan live batch for full conceptual coverage.