Chemistry Chapter 10 Short Questions For Class 11

Last Updated on June 10, 2026 by Ahsa.Pk

The most important Chemistry chapter 10 short questions for Class 11. The 1st-year chapter 10 of Chemistry is related to electrochemistry. These questions are for the Punjab Textbook Board and can be used within all of Punjab where this syllabus is taught.

Students are advised to prepare these questions in order to perform the best in the board examination.

Chemistry Chapter 10 Short Questions for Class 11

How and why is the electrical double layer formed?
Why is the electrode potential of Cu called reduction potential?
What are the advantages of a salt bridge in a galvanic cell?
How can we predict the feasibility of a chemical reaction using the cell voltage?
During electrolysis of aqueous NaCl, why is Na not liberated at the cathode?
Calculate the oxidation number of chromium (Cr) in the following compounds:
i) CrCl₃ ii) Cr₂(SO₄)₃ iii) Cr₂O₇²⁻
The order of decreasing reactivity of metals is K > Mg > Zn > Fe > Cu. Write balanced chemical equations for the reactions that would occur (if any) when:
i) Copper is added to a solution of magnesium sulfate. ii) Iron is added to a dilute solution of hydrochloric acid.
Explain why some metals higher in the activity series can displace hydrogen from acids, while others lower in the series cannot.
Calculate the number of Faradays required to deposit 108 g of Ag⁺, 63.5 g of Cu²⁺, and 27 g of Al³⁺.
In an electrolysis experiment, a current of 0.500 A was passed through a solution of AgNO₃ for 30.0 minutes. The mass of silver deposited was 0.503 g. Given the molar mass of Ag = 107.87 g mol⁻¹ and the charge on Ag⁺ = +1, calculate the value of Avogadro’s number (Nₐ).
A cell is set up with a standard nickel electrode (Ni²⁺ + 2e⁻ ⇌ Ni, E° = −0.25 V) and a standard cobalt electrode (Co²⁺ + 2e⁻ ⇌ Co, E° = −0.28 V).
i) Identify the anode and cathode. Justify your answer. ii) Write the balanced overall cell reaction. iii) Calculate the standard cell potential (E°cell).
What is the Winkler method?
Differentiate between dissolved oxygen (DO) and biological oxygen demand (BOD).
What is the principle of a photovoltaic cell?
Define electrochemistry.
Differentiate between oxidizing agent and reducing agent.
Define oxidation and oxidation number. Give two examples.
What is the difference between oxidation and reduction process? Give one example of each.
Write down the oxidation states of oxygen in peroxides and super oxides.
Calculate the oxidation number of the underlined elements: HNO₃ and CrO₃.
Define anode and cathode.
Define electrolytic cell. Give an example.
Define electrode potential and standard electrode potential.
What is the Standard Hydrogen Electrode (SHE)? Explain with the help of a diagram.
Write down the importance of the Standard Hydrogen Electrode (SHE).
Differentiate between a galvanic cell and an electrolytic cell.