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Equivalent weight of KMnO₄ in basic medium is (mol.wt. of KMnO₄ = 158)
Options
(a) 31.5
(b) 52.67
(c) 79
(d) 158
Correct Answer:
52.67
Explanation:
MnO₄⁻ + 2H₂O + 3e⁻ → MnO₂ + 4OH⁻
Equivalent weight = molecular weight / 3.
The oxidation number changes from +7 to +4. so , Equivalent weight = 158/3 = 52.67.
Related Questions: - The ionisation potential for hydrogen atom is 13.6eV, the ionization potential for He⁺
- First law of thermodynamics is represented by the equation
- The normality of 10 volume hydrogen peroxide is
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Topics: Hydrogen and Redox Reactions
(174)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The ionisation potential for hydrogen atom is 13.6eV, the ionization potential for He⁺
- First law of thermodynamics is represented by the equation
- The normality of 10 volume hydrogen peroxide is
- Which one of the following liquid pairs will exhibit a positive deviation from
- The weight of iron which will be converted into its oxide(Fe₃O₄) by the action of 18g
Topics: Hydrogen and Redox Reactions (174)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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