Advertisements
Advertisements
Question
Identify the substance underlined, in the following case
The particles present in a liquid such as kerosene, that is a nonelectrolyte.
Solution
The particles present in a liquid such as kerosene that is a nonelectrolyte: Molecules
APPEARS IN
RELATED QUESTIONS
Define the following term:
Non-electrolyte
Classify the following substance:
Acetic acid
Define the term : Electrolyte
State your observation for the following electrolytic reaction
Aqueous copper sulphate is electrolysed between copper electrodes.
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.
Correct the following statement:
Lead bromide conducts electricity.
Give reasons as to why - the electrolysis of acidulated water is considered to be an example of catalysis.
Fill in the blank from the choices given below :
A molecule of _____ contains a triple bond.
Give reasons why in the electroplating of an article with silver, the electrolyte sodium argentocynide solution is preferred over silver nitrate solution.
Select the ion, that would get selectively discharge from the aqueous mixture of the ions listed below :
Pb2+, Ag+, Cu+