Current efficiency is defined as the extent of desired electrochemical reaction divided…
Chemistry · JEE Main · NTA Exams — Redox Reactions and Electrochemistry
Current efficiency is defined as the extent of desired electrochemical reaction divided by theoretical extent of reaction to 100% completed. What is the current efficiency of an electro deposition of Cu metal in which 0.651 g Cu is deposited by passage of 2 A current for 1000 sec.
- 0.9%
- 49.9%
- 99%
- 51.1%
Answer
(D) 51.1%
Sign up free on Edukali to view the step-by-step worked solution and practice thousands of similar questions.
Related practice questions
- Which reaction occur at cathode during electrolysis of fused lead bromide ?
- The conductivity of 0.1 N NaOH solution is 0.022 S cm –1 . When equal volume of 0.1 N HCl solution is added…
- In the conversion of Br 2 to BrO _ 3 ^ - the oxidation number of Br changes from?
- The emf of a Daniell cell at 298 K is E 1. Zn | array c ZnSO _ 4 10.01 M , array | | array ccc CuSO _ 4 & Cu…
- When dilute H 2 SO 4 is electrolysed between Pt electrodes, the gas liberated at the anode will be:
- In the equation array c NO _ 1 ^ - + H _ 2 O NO _ + ^ - +2 H ^ + +2 e ^ - _ + ^ ++ m array n stands for
- When two half-cells of electrode potential of E 1 and E 2 are combined to form a cell of electrode potential…
- The oxidation number of Phosphorus in Mg 2 P 2 O 7 is :
More Redox Reactions and Electrochemistry questions · Browse all practice questions