Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R:
Assertion-(A): $P b I_{4}$ does not exist.
Reason-(R): Initially formed Pb-I bond during the reaction does not release enough energy to unpair $6 s^{2}$ electrons and excite one of them into higher energy orbital to have four unpaired electrons in valence shell of lead atom.
In the light of the above statements, choose the most appropriate answer from the options given below:

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Both 'A' and 'R' are true and 'R' is the correct explanation of 'A'.

Both 'A' and 'R' are true and 'R' is not the correct explanation of 'A'.

A is false, but R is true

'A' is true and 'R' is false

answer is A.

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Detailed Solution

(A): statement A is correct
(R):Pb-I initially formed during the reaction does not release enough enrgy to unpair $6 s^{2}$ electrons and excite one of the electron to higher energy orbital to have four unpaired electron around lead atom.
But 'A' is true and 'R' is false

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