Chemistry - Redox Reactions Question with Solution | TestHub

ChemistryRedox ReactionsProblem involving Equivalent ConceptMedium2 minQB

ChemistryMediumnumerical

The approximate mass (in g) of N₂H₄ can be oxidized by 24 g of K₂CrO₄ is (Cr = 52) 3N₂H₄ + 4CrO₄²⁻ + 4H₂O $\to$ 3N₂ + Cr(OH)₄⁻ + 4OH⁻

Answer:

3.00

Solution:

Moles of CrO₄²⁻ = 24/194 = 0.1237. From the equation, N₂H₄ = 3/4 × 0.1237 = 0.0928 mol. Mass = 0.0928 × 32 = 2.97 ≈ 3 g. Ans: 3.

Stream:JEESubject:ChemistryTopic:Redox ReactionsSubtopic:Problem involving Equivalent Concept

⏱ 2mℹ️ Source: QB

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