MEDIUM
12th ICSE
IMPORTANT
Earn 100

From the values of a Faraday constant (96500 C mol-1) and Avogadro number (6.023 x 1023), calculate the coulomb charge on an electron.

Important Questions on Electrochemistry

MEDIUM
12th ICSE
IMPORTANT
How will the pH of brine (aq NaCl solution) be affected when it is electrolysed?
EASY
12th ICSE
IMPORTANT
What is a primary cell? Give one example.
MEDIUM
12th ICSE
IMPORTANT
What features of a cell enables practical use of battery?
EASY
12th ICSE
IMPORTANT
Mention the uses of mercury cell.
MEDIUM
12th ICSE
IMPORTANT
What is the advantage of nickel-cadmium cell over lead-storage battery?
HARD
12th ICSE
IMPORTANT
List the advantages of using H2-O2 fuel cell over ordinary cell.
HARD
12th ICSE
IMPORTANT
Write the Nernst equation for single electrode potential.
HARD
12th ICSE
IMPORTANT
What is the efficiency of a fuel cell? What is the use of a fuel cell?