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Question
Classify the following substance:
Ammonium hydroxide
Options
Strong electrolyte
Weak electrolyte
Non-electrolyte
Solution
Weak electrolyte
RELATED QUESTIONS
The electrolysis of acidified water is an example of :
(A) Reduction
(B) Oxidation
(C) Redox reaction
(D) Synthesis
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The _______ the concentration of an ion in a solution, the greater is the probability of its being discharged at its appropriate electrode.
Study the diagram given alongside and answer the questions that follow :
(i) Give the names of the electrode A and B.
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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?
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(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.
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\[\ce{Cu -> Cu^{2+} + 2e^-}\]
At which electrode (anode or cathode) would such a reaction take place? Is this an example of oxidation?
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Give reasons why although copper is a good conductor of electricity, it is a non-electrolyte.
What is the difference between:
Strong electrolyte and weak electrolyte.
A strip of copper is placed in four different colourless salt solutions. They are KNO3, AgNO3, Zn(NO3)2 and Ca(NO3)2. Which one of the solutions will finally turn blue?
