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Standard X

Chemistry

Electrolytic Refining

Which of the ...

Question

Which of the following statements about electrolytic refining of silver is not true?

Anode consists of impure silver

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Cathode consists of pure silver

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Electrolytic solution consists of

A g N O_{3}

and nitric acid

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Electrolytic solution consists of

A g N O_{3}

and hydrochloric acid

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Solution

The correct option is D Electrolytic solution consists of $A g N O_{3}$ and hydrochloric acid

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Similar questions

Q. A solution consists of a mixture of

0.01 M K I

and

0.1 M K C l

. If solid

A g N O_{3}

is added to the solution, what is the concentration of

I^{-}

when

A g C l

begins to precipitate?

[K_{s p (A g I)} = 1.5 \times 10^{- 16}; K_{s p (A g C l)} = 1.8 \times 10^{- 10}]

A voltaic cell consists of an electrode of solid silver immersed in a 0.10 M
$A g N O_{3}$ solution and an electrode of unknown metal X immersed in a 0.10
M solution $X (N O_{3})_{2}$ . A porous barrier separates the two half of the
cell. Also given : $E_{(A g^{\oplus} / A g)}^{⊖} = 0.80 V$ and $E_{c e l l}^{⊖} = 1.05 V$ at $25^{\circ} C$

X (s) | X^{2 +} (1.0 M) | | A g^{\oplus} (0.1 M) | A g (s)

Which of the following statements regarding the cell and X is incorrect ?

Q. Statement: Fehling solution

A

consists of an aqueous solution of copper sulphate, while Fehling solution

B

consists of an alkaline solution of sodium potassium tartrate.

If the above statement true enter 1, else enter 0.

Statement I: A solution consists of solvent and solute.

Statement II: The component that is present in lesser quantity is called solute.

Q. Assertion:

The pH of the buffer solution does not change when an acid or a base is added.

Reason:

Buffer solution consists of a mixture of a weak acid and its salt with a strong base.

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Which of the following statements about electrolytic refining of silver is not true?

The correct option is D Electrolytic solution consists of AgNO3 and hydrochloric acid

The correct option is D Electrolytic solution consists of $A g N O_{3}$ and hydrochloric acid