FSC Part 1 Chemistry Chapter 10 Electrochemistry Online Test

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

Sr.#	Question	Answer
1	Electroysis requires.	A. Redox reaction B. Spontaneous cell C. Non spontaneous reaction D. Combustion
2	Which component maintains elecrical neutrality in an electronchemical cell	A. Salt bridge B. Voltmeter C. Electrolyte D. Electrodes
3	Which species is educed in the followig rection ? Zn + Cu --------- Zn	A. Cu2+ B. Zn C. Cu D. Zn3+
4	Electrochemical equivalent is.	A. Mass per mole B. Mass per coulomb C. Charge per second D. Current per mass
5	Oxidation numebrof oxygen in H2O	A. 1 B. -2 C. 0 D. +1
6	The anode is electrolysis of molten NaCl is	A. Na+ B. Cl- C. Na D. H-
7	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
8	Which of the followig will react with HCl to librerate H2 gas	A. Ag B. Mg C. Au D. Cu
9	Electroplating involves.	A. Electrolysis for coating B. Spontaneous oxidation C. Redox without electordes D. Thermolysis
10	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.