Chemistry
(a) What kind of particles will be found in a liquid compound which is a non-electrolyte?
(b) If HX is a weak acid, what particles will be present in it's dilute solution apart from those of water?
(c) What ions must be present in a solution used for electroplating a particular metal?
Related Questions
Match the following in column A with the correct answer from the choices given in column B.
Column A Column B 1. Ammonium hydroxide soln. Contains only ions. 2. Dilute hydrochloric acid Contains only molecules 3. Carbon tetrachloride Contains ions and molecules Name the kind of particles present in:
(i) Sodium hydroxide soln.
(ii) Carbonic acid.
(iii) Sugar soln.
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?
Here is an electrode reaction:
Cu ⟶ Cu2+ + 2e-. [i.e. Cu – 2e- ⟶ Cu2+]
At which electrode (anode or cathode) would such a reaction take place ? Is this an example of oxidation or reduction ?