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What is the oxidation number of Co in [Co(NH₃)₄Cl(NO₂)]
Options
(a) 4
(b) 3
(c) 2
(d) 5
Correct Answer:
2
Explanation:
[Co(NH₃)₄Cl(NO₂)] → x + 4 * 0 + (-1) + (-1) = 0 ⇒ x = +2. The oxidation number of cobalt in this complex is +2.
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Topics: Coordination Compounds
(87)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The hydrolysis of 2-bromo-3-methylbutane by SN1mechanism gives mainly
- Which of the following carbonates is the most stable?
- The product obtained on fusion of BaSO₄ and Na₂CO₃ is
- The H – O – O bond angle in H₂O₂ is
- Which one of the elements has the highest ionisation energy?
Topics: Coordination Compounds (87)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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