Back to d & f- BLOCK ELEMENTS

JEE CHEMISTRY MCQ: d & f- BLOCK ELEMENTS

1 Easy

1 of 1

Application +4 | -1

Which of the following pairs has both the ions coloured in aqueous solution?
[Atomic numbers of

{Sc}={2 1}, {T i}={2 2}, {N i}={2 8}

,

{C u}=29

and

{M n}=25

]

View answer and explanation

Correct option: D

{Mn}^{2+}, {Ti}^{3+}

Option D (

{Mn}^{2+}, {Ti}^{3+}

) is correct because both ions have unpaired electrons, allowing for d-d transitions and thus color in aqueous solution.

More Questions from d & f- BLOCK ELEMENTS

Practice All Chapter MCQs →

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}