Chemistry Class 12
Solutions to CBSE Sample Paper - Chemistry Class 12

a. Why does the cell voltage of a mercury cell remain constant during its lifetime?

b. Write the reaction occurring at anode and cathode and the products of electrolysis of aq KCl.

c. What is the pH of HCl solution when the hydrogen gas electrode shows a potential of -0.59 V at standard temperature and pressure?

 

Answer:

Question 33 Choice A - Why does the cell voltage of a mercury cell remain - teachoo.jpg

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