MEDIUM
Earn 100

Write the approximate voltage of the 'Nickel-Cadmium storage cell'.

Important Questions on Electrochemistry

EASY
Chemistry>Physical Chemistry>Electrochemistry>Batteries
Write a short note on secondary batteries.
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?
MEDIUM
Chemistry>Physical Chemistry>Electrochemistry>Batteries
While charging the lead storage battery
EASY
Chemistry>Physical Chemistry>Electrochemistry>Batteries
What are primary cells? Describe dry cell in short.
MEDIUM
Chemistry>Physical Chemistry>Electrochemistry>Batteries
What is battery? Give one example each of primary battery and secondary battery.
MEDIUM
Chemistry>Physical Chemistry>Electrochemistry>Batteries

On charging of lead storage cell

EASY
Chemistry>Physical Chemistry>Electrochemistry>Batteries
What is a secondary cell?
HARD
Chemistry>Physical Chemistry>Electrochemistry>Batteries
Draw a neat labelled diagram of a Dry cell and write the cell reactions taking place at both the electrodes. 
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.
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
While giving labelled diagram of dry cell write reactions taking place at cathode and anode.
HARD
Chemistry>Physical Chemistry>Electrochemistry>Batteries

Explain the working of Daniel cell with a neat diagram.

EASY
Chemistry>Physical Chemistry>Electrochemistry>Batteries
Mercury cell gives a constant voltage of 1.35 V during its lifetime. Why?
HARD
Chemistry>Physical Chemistry>Electrochemistry>Batteries
Write chemical equations for charging and discharging of lead storage cell.
HARD
Chemistry>Physical Chemistry>Electrochemistry>Batteries
Draw a neat labelled diagram of lead storage cell and write the reactions taking place at both the electrodes during discharging of the cell.
HARD
Chemistry>Physical Chemistry>Electrochemistry>Batteries

Match List-I with List-II.

  List-I   List-II
A Cds+2NiOH3s→CdOs+2NiOH2s+H2Ol I Primary battery
B ZnHg+HgOs→ZnOs+Hgl II Discharging of secondary battery
C 2PbSO4s+2H2OI→Pbs+PbO2s+2H2SO4aq III Fuel cell
D 2H2g+O2g→2H2Ol IV Charging of secondary battery

Choose the correct answer from the options given below

EASY
Chemistry>Physical Chemistry>Electrochemistry>Batteries
Which of the following statements regarding the Leclanche cell is TRUE?
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
The cathode reaction in the dry cell will be