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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
- Which of the following on addition of water in presence of acid gives a ketone
- If Nₐ is Avagadro number then number of valence electrons in 4.2g of nitride
- A sample of chloroform before being used as an anaesthetic agent is tested by
- An example for a double salt is
- By increasing the temperature , the vapour pressure of a substance
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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