Download App

Electro Chemistry — Chemistry STD 12 — Question

Tamilnadu BoardEnglish MediumSTD 12ChemistryElectro Chemistry2 Marks
Question
Distinguish between galvanic cell and electrolytic cell.
✓

Answer

Galvanic Cell
  1. It is a device in which a spontaneous chemical reaction generates an electric current.
  2. It converts chemical energy into electrical energy. It is commonly known as Battery.
  3. e.g., Daniel cell, Dry cell.
  4. A salt bridge is used in this.
Electrolytic cell
  1. It is a device in which an electric current from an external source drives a non spontaneous reaction
  2. It converts electrical energy into chemical energy.
  3. e.g., Electrolysis of molten NaCI.
  4. Na salt bridge is used.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "[ 2 Marks Questions ]" from Electro Chemistry→Electro Chemistry — all question types→Chemistry STD 12 question papers→Tamilnadu Board STD 12 question papers→Tamilnadu Board question paper generator→

Similar questions

Is it possible to oxidise t-butyl alcohol using acidified dichromate to form a carbonyl compound?
→
Convert Benzene diazonium chloride into phenol.
→
Convert propanone into 2 – methyl – propan – 2 – ol.
→
Explain the method of preparation of gold sol by reduction method.
→
Write Arrhenius equation and explains the terms involved.
→
Explain about antioxidants.
→
Why first ionization enthalpy of chromium is lower than that of zinc?
→
How would you obtain chloroform from acetone?
→
Why is desorption important for a substance to act as a good catalyst?
→
Draw the structure of penicillin? Give its use.
→