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The electronic configuration of group III elements is

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${ns}^{2} {np}^{3}$

${ns}^{2} {np}^{5}$

${ns}^{2} {np}^{1}$

$n^{2} {np}^{2}$

answer is C.

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Detailed Solution

To find the electronic configuration of group III elements from the given options.

Concept to be used:

Electronic configuration of elements

Detailed Solution:

Group III is nothing buy 13th group elements which include Boron, Aluminium, Galium, Indium and Thallium. These elements have the electronic configuration of ${ns}^{2} {np}^{1}$ .

Therefore, Option C is the correct answer.

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