MCQ on Electrochemistry: Chemistry is considered to be the most scoring subject in NEET JEE Exam. As it is one of the easiest scoring subjects, it is often ignored and undermined a subject. But if you want to get an edge over others, here is a tip, master NEET/JEE Chemistry concepts. Chemistry demands the attention of students in understanding reactions and concrete basic understanding but once done it only gets easier from there. Mastering NCERT syllabus for NEET/JEE Chemistry should be topping your list of to-do for chemistry.

In this post we are providing you MCQ on Electrochemistry, which will be beneficial for you in upcoming NEET, JEE, Medical and Engineering Exams.

MCQ on Electrochemistry

Q1. A device that converts the energy of combustion of fields like hydrogen and methane directly into electrical energy is known as ________.
a) Dynamo
b) Fuel cell
c) Ni-Cd cell
d) Electrolytic cell

Q2. When heating one end of a metal plate, the other end gets hot because of ________.
a) The resistance of the metal
b) Mobility of atoms in the metal
c) Energised electrons moving to the other end
d) Minor perturbation in the energy of atoms.

Q3. Without losing its concentration ZnCl₂ solution cannot be kept in contact with ________.
a) Al
b) Au
c) Ag
d) Pb

Q4. An increase in the conductivity equivalent of a solid electrolyte with dilution is primarily due to ________.
a) A rise in ion counts
b) 100 percent electrolyte ionisation with natural dilution
c) Increased ionic mobility of ions
d) Increase in both ion numbers and ionic mobility

Q5. Once a current of 1.0 ampere was passed through one litre of CuCl₂ solution for 16 min and 5 sec, all of the solution’s copper was deposited at the cathode. The strength of solution CuCl₂ was (Molar mass of Cu = 63.5; Faraday constant = 96,500 C/mol).
a) 0.01M
b) 0.02M
c) 0.2N
d) 0.01N

Q6. The aqueous solution of which of the following compounds is the best conductor of electric current?
a) Ammonia
b) Acetic Acid
c) Fructose
d) Hydrochloric Acid

Q7. Which reaction is not feasible?
a) 2KO + Br₂ → 2KBr + I₂
b) 2KBr + I₂ → 2KI + Br₂
c) 2KBr + Cl₂ → 2KCl + Br₂
d) 2H₂O + 2F₂ → 4HF + O₂

Q8. On electrolysis of dilute sulphuric acid using platinum electrodes, the product obtained at the anode will be ________.
a) Oxygen
b) Hydrogen
c) Sulphur dioxide
d) Hydrogen sulphide

Q9. The equivalent conductance of Ba²⁺ and Cl^– are respectively 127 and 76 ohm^-1 cm^-1 eq^-1 at infinite dilution. The equivalent conductance of BaCl₂ at infinite dilution will be ________.
a) 101.5
b) 139.5
c) 203
d) 279

Q10. The weight of silver displaced by a quantity of electricity which displaces 5600ml of O₂ at STP will be ________.
a) 5.4g
b) 10.8g
c) 54.9g
d) 108.0g

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By Team Learning Mantras