FSC Part 1 Chemistry Chapter 10 Electrochemistry Online Test

Top Scorers Of Chapter 10 "Electrochemistry" MCQ`s Test

Sr.#	Question	Answer
1	Standard electrode potential is measured under	A. 100 oC and 1 atm B. 0 oC and 1 M concentration C. 25 oC and 1 M concentration D. 100 oC and 1 M concentration
2	In an electrochecmial cell, which ion migrates to cathode through the salt bridge.	A. Anions B. Cations C. Eletrons D. Protons
3	The more positive the standard reduction potential	A. The stronger the reducing agent B. The weaker the oxidizing agent C. The stronger the oxidizing agent D. No effect
4	Which element has Eo = 0.00 V?	A. H+ B. H2 C. SHE D. All of the above
5	Oxidation numebrof oxygen in H2O	A. 1 B. -2 C. 0 D. +1
6	Which of the following changes wold typically lead to an incresse in he rate of electrolysis.	A. Decreasing ghe concentration of the electrolyte B. Incressing the distance between the electrodes C. Decressing the surface area of the electrolytic cell D. Increasing the current passed though the electroytic cell
7	Down cell is used for extractio of.	A. Zinc B. Iron C. Sodium D. Aluminum
8	Electrolysis of CuSO4 using copper eletrodes results in	A. Increase in eletolyte concentration B. Decrease in Cu2+ concentration C. No change in electrolyte composition D. Formation of new compound
9	Electroyte in electroplating of silver	A. AgNo3 B. NaCl C. CuSO4 D. HNO3
10	In a galvanic cell, the anode is	A. Negaive and site of oxidation B. Postive and site of oxidation C. Negative and site of reduction D. Postive and site of reduction