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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
- Ferrocene is an example of
- 75% of a first order reaction was completed in 32min.When was 50% of the reaction
- In Kjeldahl’s method,ammonia from 5g of food neutralizes 30 cm3 of 0.1 N acid.
- Which of the following is not permissible arrangement of electrons in an atom?
- Which of the following has lowest pH value
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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