MHT CET202310 May 2023Morning ShiftChemistryHydrogenActual
Which of the following is NOT a difficulty in setting SHE?
Options
- ATo obtain pure hydrogen gas
- BTo obtain dry hydrogen gas
- CTo maintain exactly 1 atm pressure
- DTo bring the reaction in reverse direction
Correct answer
D. To bring the reaction in reverse direction
Step-by-step solution
In standard hydrogen electrode (SHE), a platinum plate coated with platinum black is used as electrode. The platinum black is capable of adsorbing large quantities of H ₂ gas. This allows the change from gaseous to ionic form and the reverse process to occur.