Advertisements
Advertisements
प्रश्न
Differentiate between the electrical conductivity of copper sulphate solution and copper metal.
उत्तर
Copper Sulphate Solution | Copper metal |
The conduction of electricity is due to the flow of ions. | The conduction of electricity is due to the flow of electrons. |
It is an aqueous solution of an ionic compound. | It is a metal in the solid state. |
It undergoes a chemical change. | It remains unchanged chemically. |
APPEARS IN
संबंधित प्रश्न
State the observations at the anode and at the cathode during the electrolysis of fused lead bromide using graphite electrodes
Write the difference between with examples:
Electrolytic dissociation and ionization
What are the particles present in a compound which is a non- electrolyte?
What kind of particles will be found in a liquid compound which is a non- electrolyte?
The following is a sketch of an electrolytic cell used in the extraction of aluminium:
- What is the substance of which the electrodes A and B are made?
- At which electrode (A or B) is aluminium formed?
- What are the two aluminium compounds in the electrolyte C?
- Why is it necessary for electrode B to be continuously replaced?
Aqueous solution of nickel sulphate contains \[\ce{Ni^{+2}}\] and \[\ce{SO^{-2}_{4}}\] ions.
- Which ion moves towards the cathode?
- What is the product at the anode?
Fill in the blank from the choices given below :
In covalent compounds, the bond is formed due to the ______ of electrons.
State one observation when electricity is passed through molten lead bromide.
Select the ion, that would get selectively discharge from the aqueous mixture of the ions listed below :
Pb2+, Ag+, Cu+
Classify the following substance:
Ammonium hydroxide