CBSE Class 12-science Chemistry Electrochemistry

• in an electrochemical cell
• Calculate the no. Of coulpmb required to deposit 40.5g AL when the electrode rxn is  AL3+ +3e--->AL  
• when zinc plate is dipped into a blue coloured solution of cuso4 then its colour becomes white why
• cell constant G*= l /A Here A stands for area of Electrode or Electrolytic solution
• What is galvanic cell?
• An electrochemical cell stops working after sometime. Why ?
• What are redox reactions? Explain with an example?
• Why do we use inert electrolytes like KCl, KNO₃, and NH₄Cl in a salt bridge?
• Explain the energy changes that occur in a galvanic cell. Also mention its electrode potential?
• What is the function of a salt bridge in the electrochemical cell?

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