Electrochemistry
In fuel cells, the reaction that takes place at the anode is:
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Single Choice
A device that converts energy of combustion of fuels like hydrogen and methane, directly into electrical energy is known as:
Adynamo
BNi-Cd cell
Cfuel cell
Correct Answer
Delectrolytic cell
Solution
The combustion reactions are redox reactions. Hence, they are used to produce electricity.
Fuel cells are the galvanic cells in which the energy of combustion of fuels is directly converted into electrical energy.
In the fuel cells, the reactants are continuously supplied to the electrodes from the reservoir.
The fuel used is hydrogen gas, methane or methanol.
SIMILAR QUESTIONS
Electrochemistry
$$H_{2}-O_{2}$$ fuel cell is:
Electrochemistry
In fuel cell oxidants used are:
Electrochemistry
The efficiency of fuel cell is given by the expression, $$\eta $$ is:
Electrochemistry
Write the name of the electrolyte used in fuel cell.
Electrochemistry
Define the following terms : Fuel cell
Electrochemistry
For the given cells : Lead storage cell , Mercury cell , Fuel cell and Dry cell Answer the following : Which cell was used in Apollo space programme ?
Electrochemistry
Answer the following questions State two advantages of $$ H_2 - O_2 $$ fuel cell over ordinary cell .
Electrochemistry
In a hydrogen-oxygen fuel cell, combustion of hydrogen occurs to:
Electrochemistry
Which of the following reactions is used to make a fuel cell?
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