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# Which forms coloured salts.

$\begin{array}{1 1}(a)\;Metals&(b)\;p - block \;elements\\(c)\;Non-metals&(d)\;Transitional\; elements\end{array}$

Can you answer this question?

Transitional elements form coloured salts due to the presence of unpaired electrons in d-orbital.
Hence (d) is the correct answer.
answered Jan 30, 2014