InterviewSolution
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InterviewSolution
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(a) Study the diagram given alongside and answer the questions that follow:(i) Give the names of the electrodes A and B.(ii) Which electrode is oxidizing electrode?(b) A strip of copper is placed in four different colourless salt solutions. They are KNO3, AgNO3, Zn(NO3)2, Ca(NO3)2. Which one of the solutions will finally turn blue?(c) Write the equations of the reactions which take place at the cathode and anode when acidified water is electrolysed.Figure |
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Answer» (a) Study the diagram given alongside and answer the questions that follow: (i) Give the names of the electrodes A and B. (ii) Which electrode is oxidizing electrode? (b) A strip of copper is placed in four different colourless salt solutions. They are KNO3, AgNO3, Zn(NO3)2, Ca(NO3)2. Which one of the solutions will finally turn blue? (c) Write the equations of the reactions which take place at the cathode and anode when acidified water is electrolysed. Figure |
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