Practice Oxidation Number Of Central Atom (5.2.g)

Practise this section

8 questions

Flashcard drill
2 cards from this section. Quick, good the night before a test.
Exercise
6 questions · about 4 min · pass mark 70%. Hints available.
Sign up to start the exercise
Quiz
2 questions · about 1 min · pass mark 70%. Hints available.
Sign up to start the quiz

6 sample questions

Question 1.
What is the oxidation number of copper in [Cu(CN)4]?
Show hintHide hint
Think about the charge and bonding in the complex.
Question 2.
How is the oxidation state of cobalt indicated in [Co(NH3)6()]Cl3?
Show hintHide hint
Remember, it uses Roman numerals.
3Question 3.
What does the oxidation number indicate in coordination compounds?
- The number of ligands
- The charge on the central atom
- The shape of the complex
Show hintHide hint
Think about the charge-related changes when ligands are removed.
4Question 4.
True or False: The oxidation state of the central atom is represented using Roman numerals.
- True
- False
Show hintHide hint
Recall how names are structured in coordination chemistry.
Question 5.
Consider the complex ion [Cr(NH3)4Cl2]+. Calculate the oxidation state of chromium.
Show hintHide hint
Think about the charges from ligands.
Question 6.
How might the oxidation state of cobalt in [Co(CO)6] be influenced if one CO ligand is replaced with Cl?
Show hintHide hint
Keep in mind how charges add up in the coordination complex.

4 more questions in this section. Enroll free to practise them all.