Chemistry - Redox Reactions Question with Solution | TestHub
ChemistryRedox ReactionsMiscellaneous/MixedMedium2 minQB
ChemistryMediummultiple choice
Yellow solution is obtained when :-
Options:(select one or more)
Answer:
B, D
Solution:
Yellow color is due to the formation of the chromate ion, CrO₄²⁻.
In (b), Na₂Cr₂O₇ + KOH converts dichromate (orange) into chromate (yellow).
In (d), FeSO₄ with dilute HNO₃ oxidizes Fe²⁺ to Fe³⁺, giving a yellow solution.
Other options do not produce yellow species.
Stream:JEESubject:ChemistryTopic:Redox ReactionsSubtopic:Miscellaneous/Mixed
⏱ 2mℹ️ Source: QB
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