Published by:
CGP EDU Academic Team
Published on: August 14, 2026
Arrange the following elements in increasing order of first ionisation enthalpy:
Li, Be, B, C, N Choose the correct answer from the options given below:
A
B 
C 
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
B
First ionisation enthalpy is the energy required to remove the first most loosely bound
electron from an isolated atom in its ground state.
The electronic configuration is,
The correct increasing order is,
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