JEE CHEMISTRY MCQ: d & f- BLOCK ELEMENTS

1 Medium

1 of 1

Analyzing +4 | -1

S-I:

{Cr}^{2+}

is a stronger reducing agent than

{Fe}^{2+}

.

S-II: In aqueous medium,

d^3

is more stable than

d^5

configuration.

View answer and explanation

Correct option: A

Statement-I & statement-II are correct

Option A is correct because both statements are true: Cr²⁺ is a stronger reducing agent than Fe²⁺, and in aqueous medium, d³ is more stable than d⁵ configuration.

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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}

and

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

is called