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Electrochemistry MCQs

1. . Chemistry deals with the relationship between chemical changes and electricity, it is called:

(A) Organic chemistry


(B) Nuclear chemistry


(C) Electro-chemistry


(D) Inorganic chemistry




2. . Any charged atom or particle is called:

(A) Ionisation


(B) Cation


(C) Anion


(D) Ion




3. . The positively charged ions are called:

(A) Ion


(B) Cation


(C) Anion


(D) Ionisation




4. . The negatively charged atoms or species are called:

(A) Ion


(B) Anion


(C) Cation


(D) Ionisation




5. . Electrolyte dissociates into two charged fragments in process:

(A) Ionisation


(B) Cation


(C) Anion


(D) Ion




6. . Ionisation theory was presented by:

(A) Dalton


(B) Arrhenius


(C) Faraday


(D) Bohr




7. . At high temperature dissociation of ____ is more:

(A) Cation


(B) Electrolyte


(C) Anion


(D) Nonelectrolyte




8. . Electric current is used to bring about a redox reaction is called:

(A) Electrolyte


(B) Dissociation


(C) Ionization


(D) Electrolysis




9. . The electrode from which the electrons enter the solution is called:

(A) Electrolyte


(B) Electrolysis


(C) Cathode


(D) Anode




10. . The electrode from which the electrons leave the solution is called:

(A) Electrolyte


(B) Electrolysis


(C) Anode


(D) Cathode




11. . The process of oxidation takes place at:

(A) Electrolyte


(B) Anode


(C) Cathode


(D) Electrolysis




12. . The process of reduction takes place at:

(A) Electrolyte


(B) Electrolysis


(C) Anode


(D) Cathode




13. . Michael Faraday presented his laws of electrolysis in:

(A) 1929


(B) 1932


(C) 1931


(D) 1930




14. . Amount of substance W proportional to quantity of electricity passed is statement of Faraday's:

(A) 4th law


(B) 2nd law


(C) 3rd law


(D) 1st law




15. . Mathematical form of Faraday's law is:

(A) 1st


(B) 2nd


(C) 3rd


(D) 4th




16. . Galvanic or Voltaic cells are also called:

(A) Non-reversible


(B) Reversible


(C) Electro-chemical cells


(D) All three




17. . Common galvanic cell is also called:

(A) Salt bridge


(B) Reversible


(C) ZnSO4


(D) Daniel cell




18. . The substitute name for the lead storage battery is:

(A) Lead accumulator


(B) 1.125 g/cm³


(C) H2SO4


(D) Lead oxide & lead




19. . The acid used in the lead battery is:

(A) Phosphoric acid


(B) Nitric acid


(C) HCl


(D) H2SO4




20. . One of the following is not an electrolyte:

(A) Phosphoric acid


(B) Sodium Hydroxide


(C) H2SO4


(D) Urea




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