FSC Part 1 Chemistry Chapter 10 Electrochemistry Online Test

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

Sr.#	Question	Answer
1	A positive value for the standared electrode potential of a metal ion metal half cell indicate that	A. The metal is stong reducing agent B. The metal ion is redily oxidized C. The metal ion is redily reduced D. The metal will readily displace hydrogen from dilute acids.
2	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
3	Electrochemical equivalent is.	A. Mass per mole B. Mass per coulomb C. Charge per second D. Current per mass
4	In electolysis, reduction always occurs at	A. Anode B. Cathode C. Salt bridge D. Electroyte
5	Which metal is the best reducing agent.	A. Cu B. K C. Zn D. Fe
6	Electroysis of brine produces.	A. Hydrogen, oxygen , NaOH B. Sodium, Chlorine , H2O C. Hydrogen, Chlorine, NaOH D. NaOH , Cl2, CO2
7	Which of the following metals would most raadily displace hydrogen gas from dilute acids.	A. Copper B. Silver C. Magnesium D. Platinum
8	The reducing agent in a redox reaction	A. Gains electrons B. Loss electrons C. Acceptw protons D. Donates protons
9	For a redox reaction to be spontaneous, Delga G should be	A. Positive B. Negative C. Zero D. Constant
10	Which component maintains elecrical neutrality in an electronchemical cell	A. Salt bridge B. Voltmeter C. Electrolyte D. Electrodes