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JEE CHEMISTRY MCQ: d & f- BLOCK ELEMENTS

1 Easy

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Analyzing +4 | -1

Which of the following statements is not correct about

{Cu}^{2+}

and

{Cu}^{+}:

View answer and explanation

Correct option: D

Both

{Cu}^{+}

and

{Cu}^{2+}

are stable with

{I}^{-}

Option D is correct because

\mathrm{Cu}^{2+}

is unstable with

\mathrm{I}^{-}

due to the formation of

\mathrm{CuI}

and

\mathrm{I}_2

.

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
elements is +3. Which of the following is likely to
also form other oxidation state? A mixture of

\mathrm{Ti}{\mathrm{O}_2}

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