Q. Among the ligands NH_{3} ,en, $CN^{-}$ and CO , the correct order of their increasing field strength, is
A) CO < NH_{3} <en < $CN^{-}$
B) NH_{3} < en < $CN^{-}$ < CO
C) $CN^{-}$< NH_{3} < CO < en
D) en < $CN^{-}$< NH_{3} < CO
Explanation
(b)
Based on spectrochemical series , ligands arranged in increasing order of crystal field strength are as
${NH}_{3} < en\ < {CN}^{-} < CO$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.