Select from the list:Ammonia, Copper oxide, Copper sulphate, Hydrogen

1.	Select from the list:Ammonia, Copper oxide, Copper sulphate, Hydrogen chloride, Hydrogen sulphide, Lead bromide.1. A solution of this compound is used as the electrolyte when copper is purified.2. When this compound is electrolysed in the molten state, lead is obtained at the cathode.
Answer» 1. Copper sulphate 2. Lead Bromide.

Select from the list:Ammonia, Copper oxide, Copper sulphate, Hydrogen chloride, Hydrogen sulphide, Lead bromide.1. A solution of this compound is used as the electrolyte when copper is purified.2. When this compound is electrolysed in the molten state, lead is obtained at the cathode.

Answer»

1. Copper sulphate

2. Lead Bromide.

Discussion

No Comment Found

Related InterviewSolutions

To carry out the so-called “electrolysis of water”. Sulphuric acid is added to water.How does the addition of sulpuric acid produce a conducting solution?
With reference to electroplating answer the following :(i) Why are articles electroplated ?(ii) Why a small current passed for a longer period is preferred over high current for a shorter period ?(iii) Why the article to be electroplated is made a cathode ? (iv) Why a direct current is used ?
How a spoon is electroplated with silver ?
Explain, how the blue colour of electrolyte fades during electrolysis of CuSO4 solution ?
Give the electrode reactions for formation of1. Lead metal and bromine vapours from molten PbBr2 using inert electrodes2. H2 and O2 gas (2:1) from acidified water using inert Pt electrodes.
State your observation: At the cathode when acidified aq. CuSO4 spin. is electrolyzed with copper electrodes.
Differentiate between an Electrolytic cell and Electrochemical cell.
Choose A, B, C or D to match the descriptions (i) to (v) below. Some alphabets may be repeated.A. non-electrolyteB. strong electrolyteC. Weak electrolyteD. metallic conductor(i) Molten ionic compound(ii) Carbon tetrachloride(iii) An aluminium wire(iv) A solution containing solvent molcules, solute molecules and ions formed by the dissociation of solute molecules.(v) A sugar solution with sugar molecules and water molecules.
To carry out the so-called “electrolysis of water”, sulphuric acid is added to water. How does the addition of sulphuric acid produce a conducting solution?
Compare the flow of electricity through a nickel wire and nickel sulphate solution.

Select from the list:Ammonia, Copper oxide, Copper sulphate, Hydrogen chloride, Hydrogen sulphide, Lead bromide.1. A solution of this compound is used as the electrolyte when copper is purified.2. When this compound is electrolysed in the molten state, lead is obtained at the cathode.

Discussion

No Comment Found

Related InterviewSolutions

Reply to Comment