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प्रश्न
When fused lead bromide is electrolyzed we observe
पर्याय
A silver grey deposit at anode and a reddish brown deposit at cathode
A silver grey deposit at cathode and reddish brown deposit at anode
A silver grey deposit at cathode and reddish brown fumes at anode
Silver grey fumes at anode and reddish brown fumes at cathode
उत्तर
A silver grey deposit at the cathode and reddish brown fumes at the anode.
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संबंधित प्रश्न
Complete the following by selecting the correct option from the choices given:
The divalent metal whose oxide is reduced to metal by electrolysis of its fused salt is __________. (Al/Na/Mg/K)
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 base which is a weak electrolyte.
Classify the following substance:
Acetic acid
How is electrolytic dissociation different from thermal dissociation?
What particles are present in pure lead bromide?
Give appropriate scientific reasons for the following statement :
Zinc oxide can be reduced to zinc by using carbon monoxide, but aluminium oxide cannot be reduced by a reducing agent.
Give appropriate scientific reasons for the following statement :
Carbon tetrachloride does not conduct electricity.
From the following list of substances choose those which meet the description given below.
Ammonium chloride, ammonium nitrate, chlorine, dilute hydrochloric acid, iron, lead nitrate, manganese (IV) oxide, silver nitrate, sodium nitrate, sodium nitrite, and sulphur.
Two compounds whose aqueous solutions give white precipitates with dilute hydrochloric acid.
Copper sulphate solution is electrolysed using copper electrodes.
Write the equation for the reaction occurring at the Anode electrode.