FSC Part 1 Chemistry Chapter 10 Electrochemistry Online Test

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

Sr.#	Question	Answer
1	Which of the following metals would most raadily displace hydrogen gas from dilute acids.	A. Copper B. Silver C. Magnesium D. Platinum
2	The numebr of coulombs required to deposit 1 mole of Ag	A. 96500 C B. 193000 C241250 C C. 1 C D. 241250 C
3	In electolysis, reduction always occurs at	A. Anode B. Cathode C. Salt bridge D. Electroyte
4	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
5	Which species is educed in the followig rection ? Zn + Cu --------- Zn	A. Cu2+ B. Zn C. Cu D. Zn3+
6	The cathode in an electrolytic cell is.	A. Positive electrode B. Negative electrode C. Neutral elecrode D. None
7	Which of the followng elements cannot displace hydrogen from acid.	A. Zn B. Cu C. AI D. Fe
8	The principle of measuring DO by Wrinkler's Method is based on.	A. Iodimetry B. Iodometry C. Acid Bse titration D. Complexometry
9	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.
10	Electrolysis is the process of	A. Chemical energy into electrical B. Electrical energy into chemical C. Heat energy into mechanical D. Mechanical energy into chemical