A. KOH
B. KCI
C. KNO3
D. KBr
Chemical used in salt bridge is________________? Read More »
Chemistry Mcqs, ElectrochemistryA. 760mm of Hg
B. 750mm of Hg
C. 780mm of Hg
D. 800mm of Hg
H2 gas in SHE is filled at pressure of___________________? Read More »
Chemistry Mcqs, ElectrochemistryA. by addition of fresh solution
B. by replacing external circuit with external source of electricity
C. by removal of solution
D. by heating it
Voltaic cell can be recharged by______________? Read More »
Chemistry Mcqs, Electrochemistry A. Daniel cell
B. Downs cell
C. Voltaic cell
D. Nelsons cell
Zn(s)/Zn+2(aq) 1M | | Cu+2(aq) 1M/Cu(s) is representation of reaction in______________? Read More »
Chemistry Mcqs, ElectrochemistryA. 1 M ZnO solution
B. 1 M ZnSO4 solution
C. 1.5 M ZnSO4 solution
D. 0.1 M ZnSO4 solution
For the measurement of standard electrode potential Zn is dipped in________________? Read More »
Chemistry Mcqs, ElectrochemistryA. external electric circuit
B. salt bridge
C. movement of ions
D. all of the above
In Galvanic cell electrons flow from anode to cathode through__________________? Read More »
Chemistry Mcqs, ElectrochemistryA. spontaneous reaction
B. non-wpontaneous reaction
C. neutralization
D. all of above
In electrolytic cell electricity carries________________? Read More »
Chemistry Mcqs, ElectrochemistryA. neutralization
B. oxidation
C. reduction
D. both B & C
Electricity in voltaic cell is produced due to_________________? Read More »
Chemistry Mcqs, ElectrochemistryA. Free electrons
B. Free molecules
C. Free ions
D. Atoms of Na and Cl
Molten NaCl conducts electricity due to the presence of_______________? Read More »
Chemistry Mcqs, ElectrochemistryA. Chemical energy is converted into electricity
B. Chemical energy is converted into heat
C. Electrical energy is converted into chemical energy
D. Electrical energy is converted into heat
In a galvanic cell________________? Read More »
Chemistry Mcqs, Electrochemistry