For octahedral Mn(II) and tetrahedral Ni(II) complexes, consider the following statements:
(I) both the complexes can be high spin.
(II) Ni(II) complex can very rarely below spin.
(III) with strong field ligands, Mn(II) complexes can be low spin.
(IV) aqueous solution of Mn(II) ions is yellow in colour.
The correct statements are :
Select the correct option:
A
(I), (III) and (IV) only
B
(I) and (II) only
C
(II), (III) and (IV) only
D
`(I), (II) and (III) only
✓ Correct! Well done.
✗ Incorrect. Try again or view the solution.
Solution
- Both complex can be high spin
- Tetrahedral complex are generally high spin complex with any ligand is present
- Aqueous solution of $\mathrm{Mn}^{2+}$ ions is pink in colour
- $\quad \mathrm{Mn}^{2+}+\mathrm{SFL} \rightarrow$ low spin complex
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