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JEE CHEMISTRY MCQ: d & f- BLOCK ELEMENTS

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German silver alloy contains

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Correct option: D

Zinc, nickel and copper

Option D (Zinc, nickel and copper) is correct because German silver is an alloy primarily composed of zinc, nickel, and copper.

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Mercury is transported in metal containers made of: Cadmipone is a mixture of: The number of element from the following that do not belong to lanthanoids is :
Eu, Cm, Er, Tb, Yb and Lu Statement-I:

{Sm}^{3+}

{Dy}^{3+}

have same colour (yellow).

Statement-II: Both ions are having same number of unpaired electrons. The most common oxidation state of Lanthanoid
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\mathrm{Ti}{\mathrm{O}_2}

\mathrm{BaS}{\mathrm{O}_4}