Chemistry · d- and f-Block Elements
Which one of the following lanthanide ion-pairs will form coloured compounds in their aqueous solutions?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Zn2+ and Ca2+
- 2Zn2+ and Cd2+
- 3Pr3+ and Nd3+✓
- 4La3+ and Ce3+
Correct answer
Pr3+ and Nd3+
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