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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 four bonds in methane are directed in space with an angle of
- The structure and hybridisation of Si(CH₃)₄ is
- What will be the partial pressure of He and O₂, if 200 mL of He at 0.66 atm and 400 mL
- A buffer solution contains 0.1 M of acetic acid and 0.1 M of sodium acetate.
- When the first ionisation energies are plotted against atomic number
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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