In the Chemistry lab,Sunil and his friends are conducting an experiment to demonstrate the electroplating of a metal spoon by electrolysis.They used the set - up shown in the figure,but were disappointed because the spoon remained unchanged. 1.What do you think is wrong with the set-up they used? a) the copper rod should touch the bottom of the beaker. b) the stainless steel spoon should touch the copper rod to complete the circuit. c) the connection to the battery are incorrect. _________________________2. What will happen if sodium chloride solution is used instead of copper sulphate? a)no reaction will take place because there are no ions in the electrolyte . b) a reaction will occur as long as the electrolyte contains positively and negatively charged ions and the two electrodes are connected to the battery. c) there can be no electrolysis without copper sulphate. 3.Why are iron objects electroplated? a) iron objects produce ions in the electrolyte. b) iron can rust,and electroplating helps in rusting. c) iron can rust , electroplating prevents it. d) iron is a good conductor of electricity.
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figure,but were disappointed because the spoon remained unchanged. 1.What do you think is wrong with the set-up they used? a) the copper rod should touch the bottom
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