Electrochemical Series Past Year (1998 - 2005) MCQs Electrochemistry Chemistry NEET Practice Questions, MCQs, Past Year Questions (PYQs), NCERT Questions, Question Bank, Class 11 and Class 12 Questions, and PDF solved with answers

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 |

71%

From NCERT

AIPMT - 1998

To view explanation, please take trial in the course.

NEET 2023 - Target Batch - Aryan Raj Singh

Hints

To view explanation, please take trial in the course.

NEET 2023 - Target Batch - Aryan Raj Singh

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 |

61%

AIPMT - 2002

Please attempt this question first.

Hints