NEET UG CHEMISTRY MCQ: CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

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Understanding +4 | -1

The following ion is colourless in aqueous solution

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Correct option: D

All the above

The correct answer is D (All the above) because

Ca^{2+}

Sc^{3+}

, and

Zn^{2+}

are all colorless in aqueous solution due to having no d-d transitions.

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