NTA Abhyas JEE Main2020ChemistryElectrochemistryPractice
A current of 2 amp when passed for 5 hour through a molten salt deposits 22.2 g of metal of atomic mass 177. The oxidation state of the metal in the metal salt is [Report your answer by rounding it upto nearset whole number]
Correct answer
3.00
Step-by-step solution
W = I t E 96500 E = W × 96500 I t = 22.2 × 96500 2 × 5 × 3600 = 59.5 Equivalent mass = A t o m i c mass O x i d a t i o n s t a t e 59.5 = 177 n So n ≈ 3 .