A) paired electrons
B) lone pair of electrons
C) unpaired electrons
D) none of the above
Correct Answer: C
Solution :
Formation of coloured solution is possible when metal ion in the compound contains unpaired electrons, eg, \[C{{u}^{+}}:\,\,3{{d}^{10}}4{{s}^{0}}\] colourless \[C{{u}^{2+}}:\,\,3{{d}^{9}}4{{s}^{0}}\] blueYou need to login to perform this action.
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