ChemistryElectrochemistry Quiz July 24, 2022 - by mdcatpk 0 Created on July 24, 2022 By mdcatpk Electrochemistry Quiz 1 / 20 Which of the following element act as an inert electrode Pt Cu Ag 2 / 20 If electricity is passed through a CuSO4 solution by using a Pt electrode then which of the following possible change occurs Cu is deposited at an anode Colour of the solution becomes fade H2 is deposited at the cathode 3 / 20 Stronger the oxidizing agent greater is the Reduction potential Oxidation potential Redox potential 4 / 20 Which has a maximum oxidation number Mn Cr S 5 / 20 Which of the following cell is not rechargeable Silver oxide cell Fuel cell Lead storage battery 6 / 20 In an electrolytic cell current flows From anode to cathode outside the cell From cathode to anode in the outer circuit From cathode to anode inside the cell 7 / 20 Which of the following is true in the case of the Zn-Cu cell Zinc acts as an anode and copper as a cathode The flow of electrons takes place from copper to zinc All are correct 8 / 20 In a galvanic cell Chemical energy is converted into electricity Chemical energy is converted into heat Electrical energy is converted into chemical energy 9 / 20 The degree of dissociation of week electrolyte increases as Pressure Increases Dilution increases Dilution decreases 10 / 20 Molten NaCl conducts electricity due to the presence of Free ions Free Electrons Free molecules 11 / 20 In which of the following reactions occur at cathode Cu2++2e– Cu Cu+2e– Cu2+ Hg + O2 – HgO 12 / 20 Electricity in a voltaic cell is produced due to Oxidation Reduction All of the above 13 / 20 In electrolytic solution conductance of electricity is due to Ions Free Electrons Metals 14 / 20 In electrolytic cell electricity carries Non-spontaneous reaction Spontaneous reaction Neutralization 15 / 20 Reaction at the anode is called Oxidation Reduction Redox 16 / 20 In an electrolytic cell, cathode provides electrons to +ve ion -ve ion Neutral atom 17 / 20 In Galvanic cell electrons flow from anode to cathode through External electric circuit Salt bridge Movement of ions 18 / 20 A decrease in oxidation number is called Reduction Oxidation Oxidation-reduction 19 / 20 For the measurement of standard electrode potential, Zn is dipped in 1 M ZnSO4 solution 1 M ZnO solution 1.5 M ZnSO4 solution 20 / 20 Right half-cell contains __________ electrode Cu Zn Fe Your score is The average score is 0% LinkedIn Facebook Twitter VKontakte 0% Restart quiz Electrochemistry Quiz Check out for more quizzes for mdcat 2022 preperation. Start studying now!
