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प्रश्न
Which of the following transition metal is not coloured?
पर्याय
Cu+
V3+
Co2+
Ni2+
MCQ
उत्तर
Cu+
Explanation:
Cu+ = 29 [Ar] 3d10 4s0
∴ No electron is left unpaired. Cu+, a transition metal, lacks color as a result.
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