Chemistry - Redox Reactions Question with Solution | TestHub
ChemistryRedox ReactionsProblem involving Equivalent ConceptHard2 minQB
ChemistryHardmultiple choice
A solid mixture of and is dissolved to make a stock solution. A 25 mL portion needs 20 mL of 0.05 M NaOH for titration. A second 25 mL portion needs 20 mL of 0.05 M acidified . Select the correct statement(s):
Options:(select one or more)
Answer:
A, C
Solution:
In 25 mL: mmol, mmol.
NaOH reacts only with the acidic H of : mmol.
: meq , so and mmol.
Ratio : (A) true, (B) false.
50 mL has twice the oxalate: 10 meq of oxidant: (C) true.
With n-factor 6, that is mmol of dichromate, not 5 mmol: (D) false.
Answer: A, C.
Stream:JEESubject:ChemistryTopic:Redox ReactionsSubtopic:Problem involving Equivalent Concept
⏱ 2mℹ️ Source: QB
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