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JEE CHEMISTRY MCQ: d & f- BLOCK ELEMENTS

1 Medium

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Understanding +4 | -1

When

KI

and

CuS{O_4}

solutions are mixed , it gives

View answer and explanation

Correct option: B

C{u_2}{I_2} + {K_2}S{O_4}

Option B (

Cu_2I_2 + K_2SO_4

) is correct because when KI and

CuSO_4

solutions are mixed,

Cu^{2+}

oxidizes

I^-

to

I_2

, which then reacts with more

Cu^{2+}

to form insoluble

Cu_2I_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}