Published by:
CGP EDU Academic Team
Published on: August 13, 2026
Electronic configurations of four elements A, B, C and D are given below:
A
A < C < B < D
B
A < B < C < D
C
D < B < C < A
D
Which of the following is the correct order of increasing tendency to gain electron? D < A < B < C
Text Solution
Verified by ExpertsThe correct answer is:
A
Noble gases have completely filled orbitals hence, they have no tendency to gain electrons. Element C prefers to lose electron 
to attain stable noble gas configuration.
Element D has only 1 electron less than stable noble gas configuration. Thus, it has greater tendency to gain electron than element B which has 2 electrons less than noble gas configuration. Thus, the correct order of increasing tendency to gain electron is: A < C < B < D.
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