Home
Class 12
CHEMISTRY
In electrochemical cells, cathode is alw...

In electrochemical cells, cathode is always the electrode where:

A

oxidation occurs

B

reduction occurs

C

positive ions are formed

D

negative ions are formed

Text Solution

Verified by Experts

The correct Answer is:
B
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • ELECTROCHEMISTY

    GRB PUBLICATION|Exercise Latimer Diagram, concentration cells|117 Videos
  • ELECTROCHEMISTY

    GRB PUBLICATION|Exercise Batteries|10 Videos
  • ELECTROCHEMISTY

    GRB PUBLICATION|Exercise Subjective type|39 Videos
  • D-BLOCK ELEMENTS

    GRB PUBLICATION|Exercise Subjective Type|18 Videos
  • ENVIRONMENTAL CHEMISTRY

    GRB PUBLICATION|Exercise Straight objective type|40 Videos

Similar Questions

Explore conceptually related problems

An electrochemical cell is made of aluminium and tin electrodes with their standard reduction potentials -1.66 V and 0.14 V respectively. Select the anode and the cathode, represent the cell and write the cell reaction. Find the e.m.f. of the cell

(a) What do you mean by Electrolytic cell? (b) An electrochemical cell is made of nickel and copper electrodes with their standard reduction potentials -0.25 V and +0.34 V respectively. Select the anode and cathode. Represent the cell and find e.m.f. of the cell.

Knowledge Check

  • In an electrochemical cell, anode and cathode are:

    A
    positively and negatively charged ions
    B
    positively and negatively charged electrodes
    C
    negatively and positively charged electrodes
    D
    negatively and positively charged ions
  • In an electrochemical cell, the flow of electrons is from

    A
    Anode to cathode through internal circuit
    B
    Cathode to anode through external circuit
    C
    Cathode to anode through internal circuit
    D
    Anode to cathode through external circuit
  • An electrochemical cell an behave like an electrolytic cell when

    A
    `E_(cell)=0`
    B
    `E_(cell)gtE_(ext)`
    C
    `E_(ext)gtE_(cell)`
    D
    `E_(cell)=E_(ext)`
  • Similar Questions

    Explore conceptually related problems

    An electrochemical cell consists of two electrodes i.e., Anode and Cathode. What is the direction of flow of electrons in this cell ?

    electrochemical cells: various types of electrodes and their potentials

    First electrochemical cell was designed by

    In an electrochemical cell, the electrons flow from

    Assertion: In an electrochemical cell anode and cathode are respectively negative and positive electrodes. Reason: At anode oxidation takes place and at cathode reduction takes place.