Which pair of compounds is expected to show similar color in aqueous medium?
A
FeCl3 and CuCl2
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B
VOCl2 and CuCl2
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C
VOCl2 and FeCl2
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D
FeCl2 and MnCl2
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Solution
The correct option is DVOCl2 and CuCl2 The color of a transition metal ion is related to its number of unpaired d electrons. Hence, CuCl2 and VOCl2 are expected to have same color.