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CGP EDU Academic Team
Published on: August 13, 2026
The correct order of decreasing second ionisation enthalpy of Ti(22), V(23), Cr(24) and Mn(25) is
Text Solution
Verified by ExpertsThe correct answer is:
A
It can be seen according to electronic configuration.
electronic configuration of 22 Ti = [Ar] 3d 2 4s 2
electronic configuration of 23 V = [Ar] 3d 3 4s 2
electronic configuration of 24 Cr = [Ar] 3d 5 4s 1
electronic configuration of 25 Mn = [Ar] 3d 5 4s 2
In 24 Cr second electron will remove from 3d 5 stable configuration.
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