Electrochemistry In-text question

Downloadas PDF.

NCERT Class 12 Chemistry Chapter-wise Solutions

1.  The Solid State
2. Solutions
3. Electrochemistry
4. Chemical Kinetics
5. Surface Chemistry
6. General Principles and Processes of Isolation of Elements
7. The p-Block Elements
8. The d-and f-Blocks Elements
9. Coordination Compounds
10. Haloalkanes and Haloarenes
11. Alcohols, Phenols, and Ethers
12. Aldehydes, Ketones and Carboxylic Acids
13. Amines
14. Biomolecules
15. Polymers
16. Chemistry in Everyday Life

CHAPTER THREE ELECTROCHEMISTRY

• 3.1 Electrochemical Cells
• 3.2 Galvanic Cells
• 3.3 Nernst Equation
• 3.4 Conductance of Electrolytic Solutions
• 3.5 Electrolytic Cells and Electrolysis
• 3.6 Batteries
• 3.7 Fuel Cells
• 3.8 Corrosion

NCERT Solutions class 12 Chemistry ElectroChemistry In text question

1. How would you determine the standard electrode potential of the system Mg2+| Mg?

2. Can you store copper sulphate solutions in a zinc pot?

3. Consult the table of standard electrode potentials and suggest three substances that can oxidise ferrous ions under suitable conditions.

4. Calculate the potential of hydrogen electrode in contact with a solution whose pH is 10.

5. Calculate the emf of the cell in which the following reaction takes place:

Given that

6. The cell in which the following reactions occurs:

has = 0.236 V at 298 K. Calculate the standard Gibbs energy and the equilibrium constant of the cell reaction.

 7. Why does the conductivity of a solution decrease with dilution?

8. Suggest a way to determine the value of water.

9. The molar conductivity of 0.025 mol L-1 methanoic acid is 46.1 S . Calculate its degree of dissociation and dissociation constant. Given = 349.6 Sand

10. If a current of 0.5 ampere flows through a metallic wire for 2 hours, then how many electrons would flow through the wire?

11. Suggest a list of metals that are extracted electrolytically.

12. What is the quantity of electricity in coulombs needed to reduce 1 mol of ? Consider the reaction

13. Write the chemistry of recharging the lead storage battery, highlighting all the materials that are involved during recharging.

14. Suggest two materials other than hydrogen that can be used as fuels in fuel cells.

15. Explain how rusting of iron is envisaged as setting up of an electrochemical cell.

 covers both organic and inorganic chemistry. Please note that CBSE has reduced the syllabus for class 12 Chemistry. So, you must check the latest syllabus of CBSE while going through the NCERT solution of any chapter given in the class 12 NCERT book.