Exams › JEE Advanced › Chemistry
From the following list of ligands — NO2-, NCS-, F-, C2O4²- (oxalate), en (ethylenediamine), Cl-, CN- — how many are stronger field ligands than NH3 according to the spectrochemical series?
- 2
- 4
- 3
- 5
Correct answer: 3
Solution
Using the spectrochemical series, the ligands stronger than NH3 from the given list are: en (ethylenediamine), NO2- (nitrito), and CN-. The remaining ligands NCS-, F-, C2O4²-, and Cl- are all weaker than NH3, giving a count of 3.
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