Chemistry - Electrochemistry Question with Solution | TestHub
ChemistryElectrochemistryGalvanic cells/Nernst Equation/Concentration CellsEasy2 minPYQ_2020
ChemistryEasysingle choice
Red hot carbon will remove oxygen from the oxides XO and YO not from ZO. Y will remove oxygen from XO. Use this evidence to deduce the order of activity of the three metals X, Y and Z putting the most reactive first
Options:
Answer:
B
Solution:
Carbon does not reduce ZO and thus, is more reactive. Also Y removes oxygen from XO and thus, Y is more active than X. Thus, activity order is Z, Y, X.
Stream:NTA_ABHYAS_NEETSubject:ChemistryTopic:ElectrochemistrySubtopic:Galvanic cells/Nernst Equation/Concentration Cells
⏱ 2mℹ️ Source: PYQ_2020
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