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The concentration of $Z n C l_{2}$ solution will change when it is placed in a container which is made of:

1.	Al	2.	Cu
3.	Ag	4.	None

Subtopic: Electrochemical Series |

73%

From NCERT

AIPMT - 1998

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NEET 2026 - Target Batch - Vital

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In the silver plating of copper, K[Ag(CN)₂] is used instead of AgNO₃. The reason is:

1.	A thin layer of Ag is formed on Cu
2.	More voltage is required
3.	Ag⁺ ions are completely removed from the solution
4.	Less availability of Ag⁺ ions, as Cu can not displace Ag from [Ag(CN)₂]^– ion

Subtopic: Electrochemical Series |

63%

AIPMT - 2002

To view explanation, please take trial in the course.

NEET 2026 - Target Batch - Vital

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