Chemistry - Electrochemistry Question with Solution | TestHub

ChemistryElectrochemistryMiscellaneous/MixedEasy2 minPYQ_2020
ChemistryEasysingle choice

Calculate the time required for complete decomposition of one mole of water using 2 ampere current. .

Options:

Answer:
B
Solution:

2H2O→2H2+O2
One mole of H 2 O need 2 moles of e − s for electrolysis.
So, Q = I × t
⇒t =  Q I
= 2×96500 2
∴t=96500 sec

Stream:NTA_ABHYASSubject:ChemistryTopic:ElectrochemistrySubtopic:Miscellaneous/Mixed
⏱ 2mℹ️ Source: PYQ_2020

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