KCET2025ChemistryElectrochemistry
Match the following select the correct option for the quantity of electricity, in Cmol ⁻¹ required to deposit various metals at cathode array |l|l|l|l| & List - I & & List- II a & Ag ⁺ & i & 386000 Cmol ⁻¹ b & Mg ²⁺ & ii & 289500 Cmol ⁻¹ c & Al ³⁺ & iii & 96500 Cmol ⁻¹ d & Ti ⁴⁺ & iv & 193000 Cmol ⁻¹ array
Options
- Aa-i i, b-i, c-i v, d-i i i
- Ba-i i i, b-i v, c-i i, d-i
- Ca-i v, b-i i i, c-i, d-i i
- Da-i, b-i i, c-i i i, d-i v
Correct answer
B. a-i i i, b-i v, c-i i, d-i
Step-by-step solution
aligned 1 ~F =96500 C & Ag ⁺+ e ⁻ & Ag [ C ~mol =1 96500 C =96500 C ] 1 ~F & Mg ²⁺+2 e ⁻ & Mg [ C ~mol =2 96500 C =193000 . 2 ~F & Al ³⁺+3 e ⁻ & Al [ C ~mol =3 96500 C =289500 ] 3 ~F & Ti ⁴⁺+4 e ⁻ & Ti [ C ~mol =4 96500 C =386000 ] 4 ~F & aligned