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0 votes
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in d-and f-Block Elements by (45.2k points)
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Which ion is colourless?

(a) Cr4+

(b) Sc3+

(c) Ti3+

(d) V3+

1 Answer

+1 vote
by (67.8k points)
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Best answer

Correct option (b) Sc3+

Explanation :

In Sc3+ there is no unpaired 'd' electrons. therefore it is colourless ion in its solution.

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