Q. Arrange the following elements in increasing order of first ionization enthalpy: Li, Be, B, C, N Choose the correct answer from options given below:
A) Li < Be < C < B < N
B) Li < Be < N < B < C
C) Li < Be < B < C < N
D) Li < B < Be < C < N
Explanation
[Solution by Claude - not from source] First ionisation enthalpies (kJ/mol): Li 520 < B 801 < Be 899 < C 1086 < N 1402. Answer (4).
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.