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प्रश्न
Why is carbon tetrachloride, which is a liquid, a non-electrolyte?
उत्तर
Carbon tetrachloride is a non-electrolyte as it is a covalent compound and contains only molecules.
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संबंधित प्रश्न
Name the product formed at the anode during the electrolysis of acidified water using platinum electrodes.
If HX is a weak acid, what particles will be present in its dilute solution apart from those of water?
Explain how electrolysis is an example of Redox reaction.
Study the diagram given alongside and answer the questions that follow :
(i) Give the names of the electrode A and B.
(ii) Which electrode is oxidizing electrode?
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.
Fill in the blank from the choices given below :
Electro covalent compounds have a _____ boiling point
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 reasons why sodium chloride will conduct electricity only in the fused or aqueous solution state.
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?
