Quantrex AcademyJEE · NEET · NDA PYQs with solutions Open app

Olympiad workbookNSECd and f Block Elements

The orange colour of K ₂ Cr ₂ O ₇ and yellow colour of K ₂ CrO ₄ are, respectively, due to

Options

Acharge transfer transitions and d-d transitions
Bd-d transitions and charge transfer transitions
Ccharge transfer transitions in both
Dd-d transitions in both

Correct answer

C. charge transfer transitions in both

Step-by-step solution

No Solution

Practice d and f Block Elements on Quantrex Academy →

More from d and f Block Elements

When excess KMnO ₄ is added to concentrated H ₂ SO ₄ , an oily green colored covalent compound Y is formed. Which of the following statements is/ are true for the above reaction.Which of the following statements is not true for Ce ³⁺ and Yb ³⁺ ?An excess of aqueous ammonia is added to three different flasks ( F₁, F₂, F₃ ) containing aqueous solutions of CuSO ₄, Fe ₂ ( SO ₄ )₃ and NiSO ₄ respectively. Which of the followin Following is the reaction flow chart for manganese oxidocomplexes under different alkaline pH conditions. Compounds (S) and (T) respectively are:In which of the following complexes the metal ion has the lowest ionic radius?Which of the following statements is not true for Ce ³⁺ and Yb ³⁺ ?An excess of aqueous ammonia is added to three different flasks ( F₁, F₂, F₃ ) containing aqueous solutions of CuSO ₄, Fe ₂ ( SO ₄ )₃ and NiSO ₄ respectively. Which of the followin When excess KMnO ₄ is added to concentrated H ₂ SO ₄ , an oily green colored covalent compound Y is formed. Which of the following statements is/ are true for the above reaction. Full d and f Block Elements list All Olympiad workbook PYQs