561 Electrode potential of Zn is__________________? Chemistry Medium Full question → A oxidation B reduction C oxidation-reduction D depends on the nature of the coupled electrode
562 Potential of SHE is considered as__________________? Chemistry Medium Full question → A zero B unity C constant D multiple of 1
563 E0red of an element cab be calculated by comparing it with _____________________? Chemistry Medium Full question → A New electrode of same element B SHE C 1M solution of ions of respective element D 2M solution of HCI
564 Salt bridge transfers_______________? Chemistry Medium Full question → A electrons B anion C current D ions
565 Right half cell contains _____________ electrode? Chemistry Medium Full question → A A1 B Zn C Cu D Fe
566 Decrease in oxidation number is called__________________? Chemistry Medium Full question → A oxidation B reduction C oxidation-reduction D all of above represent same entity
567 Reaction at anode is called________________? Chemistry Medium Full question → A oxidation B reduction C redox D decomposition
568 In electrolytic solution conductance of electricity is due to _____________________? Chemistry Medium Full question → A free electrons B ions C metals D electrodes
569 The degree of dissociation of week electrolyte increases as________________? Chemistry Medium Full question → A Pressure increases B Dilution decreases C Dilution increases D None
570 Which of the following is true in the case of Zn-Cu cell ? Chemistry Medium Full question → A The flow of electrons takes place from copper to zinc B E0red of copper electrode is less than that of zinc electrode C Zinc acts as an anode and copper as cathode D All are correct
571 Which of the following cell is not rechargeable ? Chemistry Medium Full question → A Lead storage battery B Silver oxide cell C Fuel cell D Ni-Cd cell
572 Stronger the oxidizing agent greater is the________________? Chemistry Medium Full question → A Oxidation potential B Reduction potential C Redox potential D emf of cell
573 The half cells are interconnected through________________? Chemistry Medium Full question → A wire B salt bridge C electric circuit D no connection exists
574 Percentage of sulfuric acid in lead accumulator is__________________? Chemistry Medium Full question → A 40% B 25% C 30% D 50%
575 Voltaic cell is a_________________? Chemistry Medium Full question → A irreversible cell B reversible cell C alkaline cell D all of the above
576 The strength of solution of an element whose electrode potential is to be measured is________________? Chemistry Medium Full question → A 2M B 1N C 1m D 1M
577 Capacity of one lead accumulator cell is___________________? Chemistry Medium Full question → A 1.5 volts B 2 volts C 3 volts D 1 volts
578 Lead accumulators are_______________? Chemistry Medium Full question → A secondary cell B primary cell C voltaic cell D both A & C
579 Greater value of standard reduction potential smaller will be tendency______________? Chemistry Medium Full question → A to form positive ions B to form negative ions C gain electrons D all are possible
580 In galvanic cell Zn acts as an anode so its value of standard reduction potential in comparison to coupled electrode would be________________? Chemistry Medium Full question → A greater B lesser C sum of reduction and oxidation potentials D none