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प्रश्न
Select the correct answer from the choices a,b,c and d which are given. Write only the letter corresponding to the correct answer.
A compound which liberates reddish brown gas around the anode during the electrolysis in its molten state is:______________
विकल्प
Sodium chloride
Copper (II) oxide
Copper (II) sulphate
Lead (II) bromide
उत्तर
A compound which liberates reddish brown gas around the anode during the electrolysis in its molten state is : Lead (II) bromide
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संबंधित प्रश्न
Differentiate between the terms strong electrolyte and weak electrolyte. (stating any two differences)
When fused lead bromide is electrolysed, we observe ______.
The electrolysis of acidified water is an example of :
(A) Reduction
(B) Oxidation
(C) Redox reaction
(D) Synthesis
Name a non-metallic element which is a conductor of electricity.
Write the difference between with examples:
Electrolytic dissociation and ionization
Explain the term : Anode mud
The following is an extract from metals in the service of man, Alexander and street /Pelican 1976': Alumina (aluminium oxide) has a very high melting point over 2000oC, so that I cannot readily be liquefied. However, conversion of alumina to aluminium and oxygen, by electrolysis, an occur when it is dissolved in some other substance.
(a) Which solution is used to react with bauxite as first step in obtaining pure aluminium oxide?
(b) The aluminium oxide for the electrolytic extraction of aluminium is obtained by heating aluminium hydroxide. Write the equation for this reaction.
(c) Name the element which serves both as the anode and the cathode in the extraction of aluminium.
(d) Write the equation for the reaction that occurs at the cathode during the extraction of aluminium.
(e) Write the equation for the reaction that occurs at the cathode during extraction of aluminium by electrolysis.
(f) Give the equation for the reaction that occurs at the anode when aluminium is purified by electrolysis.
Select the correct answer from the choices a,b,c and d which are given. Write only the letter corresponding to the correct answer.
During ionization metals lose electrons, this change can be called _______________.
Which of these will act as a non-electrolyte?
What kind of particles will be found in a liquid compound which is a non-electrolyte?
