Chapter(4)/2

An educational illustration depicting the process of electrolysis, showing electrodes, ions, and gas evolution. The image should include elements like a beaker with a silver nitrate solution and represent both cathode and anode reactions clearly.

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 Questions2 MinutesCreated by ConductingWave327
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
Code No.
Section
Rose
Daisy
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