Question

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Q) Give reasons :-

• Although copper is a good conductor of electricity it is a non-electrolyte

• Sodium chloride will conduct electricity only in fused aqueous solution state

• In the electroplating of an article with silver, the electrolyte sodium argento-cyanide solution is preferred over silver nitrate solution

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Answer 1

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1.) Although copper is a good conductor of electricity it is a non-electrolyte. Copper is a good conductor as it allows the flow of current readily that's why we use copper wires. A non electrolyte is compound that do not conduct electricity in aqueous state . In molten state copper does not deassociate the two opposite charges which make couple & does not allow other electron for attraction . So, Current is not able to move freely .

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2.) In Sodium Chloride Na + & Cl- they are oppositely charged compound held together by an electrostatic force due to strong attraction flow of charge is not possible. But in aqueous state the charge particles start moving freely which allows the mobility of charge & it conducts the current.

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3.) Here, the electroplating of an object with silver .

The electrolyte sodium argento-cyanide solution is preferred over silver nitrate solution .

Sodium argento-cyanide solution = AgNO3

=> Silver nitrate

Ag + & No3-

Ag is having oxidisation state +1 which lead to fast flow of ion in the solution of silver cyanide

This lead to the composition of ion on the article.

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Answer 2

Answer:

1.) Although copper is a good conductor of electricity it is a non-electrolyte. Copper is a good conductor as it allows the flow of current readily that's why we use copper wires. A non electrolyte is compound that do not conduct electricity in aqueous state . In molten state copper does not deassociate the two opposite charges which make couple & does not allow other electron for attraction . So, Current is not able to move freely .

____________________________________

2.) In Sodium Chloride Na + & Cl- they are oppositely charged compound held together by an electrostatic force due to strong attraction flow of charge is not possible. But in aqueous state the charge particles start moving freely which allows the mobility of charge & it conducts the current.

____________________________________

3.) Here, the electroplating of an object with silver .

The electrolyte sodium argento-cyanide solution is preferred over silver nitrate solution .

Sodium argento-cyanide solution = AgNO3

=> Silver nitrate

Ag + & No3-

Ag is having oxidisation state +1 which lead to fast flow of ion in the solution of silver cyanide

This lead to the composition of ion on the article.

____________________________________

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