Advertisements
Advertisements
प्रश्न
Choose the option to match the description given below. Some letters may be repeated.
A sugar solution with sugar molecules and water molecules.
पर्याय
Non-electrolyte
Strong electrolyte
Weak electrolyte
Metallic conductor
उत्तर
Non-electrolyte
APPEARS IN
संबंधित प्रश्न
Explain why it is preferable to use a number of graphite electrodes as the anode instead of a single electrode, during the above electrolysis.
Give reason for the following:
In the electrolysis of acidified water, dilute sulphuric acid is preferred to dilute nitric acid for acidification.
Write down the word or phrase from the bracket that will correctly fill in the blank in the following sentence:
We can expect that pure water ________________ (will / will not) normally conduct electricity.
(a) Copy and complete the following table, which refers to two practical applications of electrolysis.
Anode | Electrolyte | Cathode | |
(i) Silver plating of a spoon | A solution of potassium argentocyanide | ||
(ii) Purification of copper | |||
(iii) Extraction of sodium |
(b) Write the equation taking place at the anode for Q. (a).
Fill in the blank :
Hydrogen and metallic ions are ____________ because they ____________ electrons.
Name : A non-metallic element which is a conductor of electricity.
Give one example of a substance which contain :
both ions and molecules.
If an electrolyte is described as a 'strong electrolyte' what does this mean?
Cations are formed by ______ of electrons and anions are formed by ______ of electrons.
In the electrolysis method of boron extraction the cathode is made of ______.