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JEE CHEMISTRY MCQ: d & f- BLOCK ELEMENTS

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The composition of duralumin is :

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Correct option: D

{Al}(95 \%), {Cu}(4 \%), {Mn}(0.5 \%), {Mg}(0.5 \%)

.

Option D (

{Al}(95 \%), {Cu}(4 \%), {Mn}(0.5 \%), {Mg}(0.5 \%)

) is correct because this is the standard composition of duralumin, a lightweight and strong aluminum alloy.

More Questions from d & f- BLOCK ELEMENTS

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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}