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Redox Reactions

Question

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Can we use KCl as an electrolyte in the following cell Cu|Cu²⁺ || Ag⁺|Ag ?

Solution

KCl cannot be used in the salt bridge in the given cell because it will undergo a chemical reaction with Ag⁺ ions to form a precipitate of AgCl.

Some More Questions From Redox Reactions Chapter

What are direct redox reactions? Give one example.

What are indirect redox reactions?

Write formulas for the following compounds:
(a) Mercury (II) chloride
(b) Nickel (II) sulphate
(c) Tin (IV) oxide
(d) Thallium (I) sulphate
(e) Iron (III) sulphate
(f) Chromium (III) oxide

What are electrolytes?

What are cations and anions?

What is electrolysis?

Mention two uses of electrolysis.

Define oxidation number of an element.

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