A. 0.76
B. -0.76
C. -0.55
D. 0.55
The reduction potential Zn is_________________? Read More »
Chemistry Mcqs, ElectrochemistryA. 7
B. 6
C. -7
D. -6
In K2Cr2O7 the oxidation number of chromium is____________________? Read More »
Chemistry Mcqs, ElectrochemistryA. valency
B. coordination number
C. oxidation number
D. charge number
Apparent charge on atom in molecule is___________________? Read More »
Chemistry Mcqs, ElectrochemistryA. MnO2
B. Zn
C. AgO2
D. cadmium
In alkaline battery the anode is made up of______________________? Read More »
Chemistry Mcqs, ElectrochemistryA. 1.25g/cm3
B. 1.3g/cm3
C. 1.20g/cm3
D. 1.15g/cm3
Density of H2SO4 in lead accumulator is__________________? Read More »
Chemistry Mcqs, ElectrochemistryA. rechargeable
B. non rechargeable
C. electrolytic cell
D. Daniel cell
Secondary cell is_____________________? Read More »
Chemistry Mcqs, ElectrochemistryA. to get oxidized
B. to get reduced
C. to accept electrons
D. both B and C
A. higher
B. lower
C. in middle
D. no effect of position
A. oxidation
B. reduction
C. oxidation-reduction
D. depends on the nature of the coupled electrode
Electrode potential of Zn is__________________? Read More »
Chemistry Mcqs, ElectrochemistryA. zero
B. unity
C. constant
D. multiple of 1
Potential of SHE is considered as__________________? Read More »
Chemistry Mcqs, Electrochemistry