Answer : The correct option is, (B) Oxygen diffuses through the anode.
Explanation :
Hydrogen-oxygen fuel cell : As we know that the a fuel cell is a type of device that converts the chemical energy into electrical energy. In the hydrogen-oxygen fuel cell, the proton exchange membrane cell uses hydrogen and oxygen gas as a fuel.
In this cell reaction, hydrogen and oxygen gas are the reactants and water, electricity and heat are the products.
The half-cell electrode reaction are:
At anode :
At cathode :
That means the hydrogen undergoes reduction at anode and oxygen undergoes oxidation at cathode.
As per question, we can say that oxygen diffuses towards anode and hydrogen diffuses towards cathode.
Hence, the correct option is, (B) Oxygen diffuses through the anode.
Answer:
m and o
Explanation:
n is the number between m and o
Answer:
1. mixture
2. Homogenous
Explanation:
Copper II chloride is a compound because it consists of elements that are chemically combined together. When a solute in this case, copper II chloride is mixed with water- a solvent, the result is a homogenous mixture.
Homogenous substances are formed when a solute and a solvent combine, resulting in a mixture with uniform properties. Mixtures can be separated using relevant separation techniques.
Answer:
ionic solute surrounded by polar solvent
Explanation:
In the process of solvation the polar solute ions are surrounded by the polar dipoles of the solvent molecule. For example when NaCl dissolves in water the Na⁺ cation is surrounded by the partially negatively charged O atoms of water molecules. Similarly, Cl⁻ anion is surrounded by the partially positively charged H atoms of water molecules.