The metal ion which does not form coloured compound is:

Chromium

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Iron

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Zinc

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Manganese

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Solution

The correct option is B Zinc
The metal ion which does not form coloured compound is zinc as it do not have any unpaired d-electrons which undergo d-d transitions and impart color.
Hence option C is correct.

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Similar questions

The metal ion which does not form colored compound is ________.

Which of the following ion does not form coloured solutions?

(N H_{2} O H)

C N^{⊝}

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