Question

State whether true or false.
Pure water is a good conductor of electricity.
(A) True
(B) False

Answer 1

Hint To answer this question, we need to know the properties and qualities of a good conductor. We have to check whether pure water has those properties. If water possesses the properties of a good conductor then the statement is true otherwise, the statement is false

Complete Step by step solution
It is the presence of free electrons and ions that make a material or a substance a good conductor. Water by itself does not contain free electrons. It is the presence of electrolytes in the water that makes the water conduct. Here we are considering pure water. This means that we have removed all the impurities and the water will not contain any kind of electrolytes present in it. Therefore the water will not conduct. Pure water is not a good conductor of electricity. Hence the given statement is false.

The answer is: Option (B): False

Additional information
The ability of a substance to conduct electricity is called the conductivity of the substance. Depending on the conductivity, materials can be classified into conductors, insulators, and semiconductors. Conductors conduct electricity with the least hindrance. Insulators will not conduct any current through it. And semiconductors can be manipulated into conducting the desired amount of current. Conductors can be good or bad depending on the resistance offered by them. The materials with the least resistance are good conductors and materials that have high resistance are called bad conductors.

Note
Depending on the temperature of water, presence of ions and free electrons, and the type of ions present in water the conductivity of water changes. The salinity of water can be detected by allowing electricity to pass through. The electrical conductivity of water increases with the increase in temperature.