Advertisements
Advertisements
प्रश्न
Correct the sentence by adding word(s)
The electrolysis of lead bromide liberates lead and bromine.
उत्तर
The electrolysis of lead bromide liberates lead at cathode and bromine at anode.
APPEARS IN
संबंधित प्रश्न
State the observations at the anode and at the cathode during the electrolysis of copper sulphate solution using copper electrodes.
Give reasons why Although copper is a good conductor of electricity, it is a non-electrolyte.
Copy and complete the following table which refers to the conversion of ions to neutral particles.
| Conversion | Ionic equation | Oxidation / Reduction |
| Chloride ion to chlorine molecule | 1)_________ | 2)_________ |
| Lead (II) ion to lead | 3)_________ | 4)_________ |
Name a salt which is a weak electrolyte.
Name a non-metallic element which is a conductor of electricity.
Make a neatly labeled sketch to show how a brass spoon can be plated with silver. Explain your choice of electrolyte used.
A solution of caustic soda (NaOH) in water or when fused, conducts an electric current. what is the similarity in these two cases?
Choose the correct words to fill in the blanks.
Cations are formed by _______ (loss/ gain) of electrons and anions are formed by ________( loss/gain) of electrons.
Explain, why solid sodium chloride does not allow electricity to pass through?
A metal article is to be electroplated with silver. The electrolyte selected is sodium argentocyanide.
- What kind of salt is sodium argentocyanide?
- Why is it preferred to silver nitrate as an electrolyte?
- State one condition to ensure that the deposit is smooth, firm and long lasting.
- Write the reaction taking place at the cathode.
- Write the reaction taking place at the anode.
