FSC Part 1 Chemistry Chapter 10 Electrochemistry Online Test

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

Sr.#	Question	Answer
1	An Increase in temperature generally	A. No Effect B. Increases cell voltage C. Decreases ell voltage D. Depends on pressure
2	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.
3	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
4	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
5	Electrochemical equivalent is.	A. Mass per mole B. Mass per coulomb C. Charge per second D. Current per mass
6	Which of the followng elements cannot displace hydrogen from acid.	A. Zn B. Cu C. AI D. Fe
7	If salt bridge in not used, between twohalf cells in a Galvanic cell, than the voltage.	A. Decrease slowly B. Decrease repidly C. Does not change D. Drope to zero
8	Which element has Eo = 0.00 V?	A. H+ B. H2 C. SHE D. All of the above
9	Which of the following metals would most raadily displace hydrogen gas from dilute acids.	A. Copper B. Silver C. Magnesium D. Platinum
10	Redox reactions always involve.	A. Gain of protons B. Transfer of electrons C. Loss ofneutrons D. Nuclear change