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when a manganous salt is fused with a mixture of KNO₃ and solid NaOH the oxidation number of Mn changes from +2
Options
(a) 4
(b) 3
(c) 6
(d) 7
Correct Answer:
6
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
Related Questions: - The aqueous solution of which of the following salt will have the lowest pH
- Standard reduction potential for Al³⁺/Al , Fe²/Fe, Br/Br are ₋1.66V, ₋0.45V, 1.09V
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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 aqueous solution of which of the following salt will have the lowest pH
- Standard reduction potential for Al³⁺/Al , Fe²/Fe, Br/Br are ₋1.66V, ₋0.45V, 1.09V
- For isothermal change in the case of an ideal gas
- Aqueous solution of Cu (II) gives an intense blue solution with ammonia,which is due
- If 200 mL of gas at 27°C is cooled to 7°C at constant pressure, its final volume will be
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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