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JEE CHEMISTRY MCQ: d & f- BLOCK ELEMENTS

1 Medium

1 of 1

Analyzing +4 | -1

The correct statement are

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Correct option: C

Both (1) and (2)

Option C (Both (1) and (2)) is correct because both

\mathrm{KMnO}_4

and

\mathrm{K}_2 \mathrm{Cr}_2 \mathrm{O}_7

exhibit color due to charge transfer, and paramagnetic gases are evolved upon heating

\mathrm{CuSO}_4

and

\mathrm{AgNO}_3

.

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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}