Organic Chemistry With Answers

Organic Chemistry

Sr. # Questions Answers Choice
1 A Gavanic cell converts the chemical energy into. Sound energy Electrical energy Light energy Heat energy
2 Under standard conditions, Daniel cell prduced a voltage of around. 1.10 volts 1.20 volts 1.30 volts 1.40 volts
3 In the electroplating of copper, the electrolyte used is. Copper sulphate Silver nitrate Sodium chloride potassium cyanide
4 In a Danieal cell, the zinc electrode acts as the. Electrolyte Anode Porous partition Cathode
5 During electroplating the object to be plated is always made the. Cathode  Anode Electrolyte Sath bridge
6 In sacrificial protection, which metal is oftern used to protect buried fuel tanks. Magnesium Tin Lead Copper
7 Galvanization involves coating iron with a thin layer of which metal. Copper Zinc Gold Silver
8 Rusting is considered an electrochemcial process where iron loses electrons to form. Fe (iii)ions Fe (II) Oxide Oxide ions Hydroxide ions
9 Which two substances are essentilly requried for the rusting of iron. Nitrogen and water Oxygen and water Carbon dixode and water Hydrogen and water
10 Which catalyst is commonly used in the porous carbon electrodes of a fuel cell. Copper Zinc Platinum Iron
11 What is teh by product of a hydroen oxygen fuel cell. Carbon dioxide Water Methane Nitrogen oxide
12 A fuel cell converts chemical energy directly into. Heat eenrgy Mechnanicla energy Sound energy Electrical energy
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