What will be the correct order for the w | Class 12 Chemistry Chapter Coordination Compounds, Coordination Compounds NCERT Solutions

Question:

What will be the correct order for the wavelengths of absorption in the visible region for the following:

[Ni(NO2)6]4-,      [Ni(NH3)6]2+,      [Ni(H2O)6]2+

Answer:

The central metal ion in all the three complexes is the same. Therefore, absorption in the visible region depends on the ligands. The order in which the CFSE values of the ligands increases in the spectrochemical series is as follows:

H2O < NH3 < NO2 -

Thus, the amount of crystal-field splitting observed will be in the following order:

Hence, the wavelengths of absorption in the visible region will be in the order:

[Ni(H2O)6]2+ > [Ni(NH3)6]2+ > [Ni(NO2)6]4-


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Comments

  • Rohit Kr pal
  • 2019-05-26 15:19:04

Thanks a very lot of you sir


  • vivek
  • 2018-12-16 22:12:43

Then we will not able to compare amongst them


  • Akshata
  • 2018-04-26 14:22:39

If the central metal atom is different????


Comment(s) on this Question

Welcome to the NCERT Solutions for Class 12 Chemistry - Chapter . This page offers a step-by-step solution to the specific question from Excercise 2 , Question 32: What will be the correct order for the wavelengths of absorption in the visible region for the follo....