Chapter(4)/2
Electrolysis Essentials Quiz
Welcome to the Electrolysis Essentials Quiz, designed to test your understanding of key concepts related to electrolysis. Whether you're a student, a teacher, or simply curious about chemistry, this quiz provides an engaging way to enhance your knowledge.
In this quiz, you will:
- Answer multiple-choice questions about electrolysis reactions.
- Learn about electrolytes and their behavior in solutions.
- Explore important reactions that occur during electrolysis.
9. Choose the correct cathode reaction for the electrolysis of silver nitrate solution using Pt electrodes.
(A) 4OH❻ → 2H₂O + O₂ +4ē
(B) 2H❺ + 2ē → H₂
(C) Ag❺ + ē → Ag
(D) Al³❺ + 3ē → Al
10. Select the ion which is the most difficult to discharge.
(A) K❺
(B) H❺
(C) Cu²❺
(D) Ag❺
11. Electrolytes are ------- compounds.
(A) ionic
(B) covalent
(C) organic
(D) dative
12. Choose the correct anode reaction for the electrolysis of saturated sodium chloride solution using platinum electrode.
(A) 2H❺ + 2ē → H₂
(B) 3Cl❻ +3ē → Cl₃
(C) Na❺ + ē → Na
(D) 2Cl❻ → Cl₂ + 2ē
13. When sulphuric acid is electrolyzed, two gases, ------- are produced at cathode and anode.
(A) hydrogen, chlorine
(B) hydrogen, oxygen
(C) chlorine, hydrogen
(D) chlorine, oxygen
14. Electroplating is the electrical ------- of one metal on another.
(A) seperation
(B) neutralization
(C) precipitation
(D) combination
15. The metallic conductance decreases with increase in -------.
(A) mass
(B) volume
(C) temperature
(D) size
Section
Rose
Daisy
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