KCET2007ChemistryCoordination Compounds
Formation of coloured solution is possible when metal ion in the compound contains
Options
- Apaired electrons
- Blone pair of electrons
- Cunpaired electrons
- Dnone of the above
Correct answer
C. unpaired electrons
Step-by-step solution
Formation of coloured solution is possible when metal ion in the. compound contains unpaired electrons. e.g. aligned & Cu ⁺: 3 d¹⁰ 4 s⁰ colourless & C u²⁺: 3 d⁹ 4 s⁰ blue aligned