salts of zn, cd, and Hg are colourless why?
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Answer:
because they react with other compounds so they colorless
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Explanation:
Since, Zn, Cd, and Hg have completely filled shells and there is no unpaired electrons. Due to this there is no d-d transition as a result, the complexes formed by Zn, Cd, and Hg are colourless.
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