HARD
Earn 100

 Explain Ni-Cd storage cell?

Important Questions on Electrochemistry

HARD

Explain the working of Daniel cell with a neat diagram.

EASY
For a fuel cell, which statement is correct?
MEDIUM
What is the density of a solution of sulphuric acid used as an electrolyte in lead accumulators?
HARD
What type of battery is lead storage battery? Write the anode and cathode reactions and the overall cell reaction occurring in the operation of a lead storage battery.
EASY
In a typical fuel cell, the reactants (R) and product (P) are :-
MEDIUM
What is battery? Give one example each of primary battery and secondary battery.
EASY
Which of the following statements regarding the Leclanche cell is TRUE?
MEDIUM
While charging the lead storage battery
EASY
In a hydrogen-oxygen fuel cell, the combustion of hydrogen occurs to
EASY
Which colourless gas evolves when NH4Cl reacts with zinc in a dry cell battery ?
MEDIUM
Write the equations for the reactions taking place at anode and cathode in the lead-storage battery.
EASY
A device that converts energy of combustion of fuels like hydrogen and methane, directly into electrical energy is known as:
MEDIUM
Write the anode and cathode reactions that occur in the operation of a lead storage battery. Mention the electrolyte used in the battery.
MEDIUM
Write all reactions taking place during recharging of lead storage cell.
HARD
Write chemical equations for charging and discharging of lead storage cell.
EASY
Write a short note on secondary batteries.
EASY
The cathode reaction in the dry cell will be
HARD
Draw a neat labelled diagram of H2-O2 fuel cell. Write the reaction which occurs at cathode of the cell?
MEDIUM
Which among the following equations represents the reduction taking place in lead accumulator at positive electrode, While it is being used as a source of electrical energy?