Potential of SHE is considered as__________________?
A. zero B. unity C. constant D. multiple of 1
Chemistry MCQs
Electrode potential of Zn is__________________?
A. oxidation B. reduction C. oxidation-reduction D. depends on the nature of the coupled electrode
The element that act as anode always have ______________ position in electrochemical cell?
A. higher B. lower C. in middle D. no effect of position
Greater value of standard reduction potential greater will be tendency__________________?
A. to get oxidized B. to get reduced C. to accept electrons D. both B and C
Secondary cell is_____________________?
A. rechargeable B. non rechargeable C. electrolytic cell D. Daniel cell
Density of H2SO4 in lead accumulator is__________________?
A. 1.25g/cm3 B. 1.3g/cm3 C. 1.20g/cm3 D. 1.15g/cm3
In alkaline battery the anode is made up of______________________?
A. MnO2 B. Zn C. AgO2 D. cadmium
Apparent charge on atom in molecule is___________________?
A. valency B. coordination number C. oxidation number D. charge number
In K2Cr2O7 the oxidation number of chromium is____________________?
A. 7 B. 6 C. -7 D. -6
The reduction potential Zn is_________________?
A. 0.76 B. -0.76 C. -0.55 D. 0.55