JEE Main20246 Apr 2024Morning ShiftChemistryCoordination CompoundsActual
he following complexes ( (A) [ CoCl ( NH ₃ )₅ ]²⁺ , (B) [ Co ( CN )₆ ]³⁻ , (C) [ Co ( NH ₃ )₅ ( H ₂ O ) ]³⁺ , (D) [ Cu ( H ₂ O )₄ ]²⁺ ) The correct order of A, B, C and D in terms of wavenumber of light absorbed is :
Options
- AC ( < ) D ( < ) A ( < ) B
- B( B < C < A < D )
- CA ( < ) C ( < ) B ( < ) D
- DD ( < ) A ( < ) C ( < ) B
Correct answer
D. D ( < ) A ( < ) C ( < ) B
Step-by-step solution
As ligand field increases, light of more energy is absorbed Energy wave number ( v )