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In Cr₂O₇²⁻ the oxidation numbers are
Options
(a) O = -2, Cr = +6
(b) O = +2, Cr = -6
(c) O = -7, Cr = +6
(d) none of these
Correct Answer:
O = -2, Cr = +6
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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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
- MnO₃ in an acidic medium dissociates into
- Which of the following statements is correct
- Considering the state of hybridization of carbon atoms, find out the molecule
- In the reaction : 4Fe + 3O₂ ⇌ 4Fe³⁺ + 6O₂²⁻. Which of the following
- Diazo-coupling is useful to prepare some
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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