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Which of the following is used in electroplating
Options
(a) AgCl
(b) AgNO₃
(c) sodium argentocyanide
(d) none of these
Correct Answer:
sodium argentocyanide
Explanation:
It is used for plating articles of base metals. The article to be plated is made the cathode while the anode consists of pure silver. The electrolyte is the solution of argentocyanide. As the complex ion is very stable the concentration of silver ion in solution is very small at any time. [Ag(CN)₂]⁻ .
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Topics: Electrochemistry and Chemical Kinetics
(87)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The ratio of the difference in energy between first and second Bohr orbit
- The number of unpaired electrons in 1s² 2s² 2p³ is
- Replacement of Cl of chlorobenzene to give phenol requires drastic conditions.
- The solubility of I₂ increases in water in the presence of
- Among the following the least thermally stable is
Topics: Electrochemistry and Chemical Kinetics (87)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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