HARD
Earn 100

 Explain Ni-Cd storage cell?

Important Questions on Electrochemistry

HARD
Chemistry>Physical Chemistry>Electrochemistry>Batteries

Explain the working of Daniel cell with a neat diagram.

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