| ⇦ | 
| ⇨ |
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.
Related Questions: - Aluminium is extracted from alumina (Al₂O₃) by electrolysis of a molten mixture
- Solution of 0.1 N NH₄OH and 0.1 N NH₄Cl has pH 9.25 . Then fine out pKb of NH₄OH
- Which of the following statement is correct
- D(+)-glucose reacts with hydroxyl amine and yields an oxime.
- Amino acids,Which build up proteins, have both the carboxylic and amino groups
Topics: Coordination Compounds
(87)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Aluminium is extracted from alumina (Al₂O₃) by electrolysis of a molten mixture
- Solution of 0.1 N NH₄OH and 0.1 N NH₄Cl has pH 9.25 . Then fine out pKb of NH₄OH
- Which of the following statement is correct
- D(+)-glucose reacts with hydroxyl amine and yields an oxime.
- Amino acids,Which build up proteins, have both the carboxylic and amino groups
Topics: Coordination Compounds (87)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
18000+ students are using NEETLab to improve their score. What about you?
Solve Previous Year MCQs, Mock Tests, Topicwise Practice Tests, Identify Weak Topics, Formula Flash cards and much more is available in NEETLab Android App to improve your NEET score.
Share this page with your friends
Leave a Reply