JEE · NEET Previous Year Question
If 5 ampers of current is passed for 193 seconds through a solution containing Copper salt, of copper is deposited. What is the oxidation state of the in the salt?
Topic: JEE PYQ
Answer: A. Full step-by-step solution below.
- A+2
- B+1
- C+3
- D
Correct answer: A
Solution
(a) Charges passing through solutioncharge deposit
or charge deposit
More Electrochemistry PYQs
- The equivalent conductance of M/32 solution of a weak monobasic acid is 8.0 mho and at infinite dilution is 400 mhos…
- Which out of the following is a correct equation to show change in molar conductivity with respect to concentration for a weak ele…
- The standard reduction potentials at 295 K for the following half cells are given below: + + 3e- NO(g…
- If the resistance of solution in a conductance cell is and conductivity is…
- The anodic half-cell of lead-acid battery is recharged using electricity of Faraday. The amount of el…