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In acidic medium, H₂O₂ changes Cr₂O₇²⁻ to CrO₅ which has two ( -O – O -) bonds. Oxidation state of Cr in CrO₅ is
Options
(a) 5
(b) 3
(c) 6
(d) -10
Correct Answer:
6
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
Related Questions: - A certain mass of gas occupies a volume of 300 c.c. at 27⁰C and 620 mm pressure
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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
- A certain mass of gas occupies a volume of 300 c.c. at 27⁰C and 620 mm pressure
- Which of the following metal has the biggest tendency for the half reaction
- If concentration of reactants is increased by ‘x’,then the K becomes
- In Lassaigne’s test red colour precipitate is obtained which is due to formation
- In metal carbonyl having general formula M(CO)x where M = metal, x = 4 and the
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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