Advertisements
Advertisements
प्रश्न
Fill in the blank :
The _______ the concentration of an ion in a solution, the greater is the probability of its being discharged at its appropriate electrode.
विकल्प
higher
lower
उत्तर
The higher the concentration of an ion in a solution, the greater is the probability of its being discharged at its appropriate electrode.
APPEARS IN
संबंधित प्रश्न
State one relevant observation for the following:
At the anode, when molten lead bromide is electrolyzed using graphite electrodes.
Make a neatly labeled sketch to show how a brass spoon can be plated with silver. Explain your choice of electrolyte used.
Amongst the OH- ions and Br- ions which are likely to discharge first?
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?
Correct the following statement:
Lead bromide conducts electricity.
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.
Give reasons why although copper is a good conductor of electricity, it is a non-electrolyte.
Copper sulphate solution is electrolysed using copper electrodes.
Which electrode [cathode or anode] is the oxidizing electrode? Why?
Classify the following substance:
Dilute sulphuric acid