d and f BLOCK ELEMENTS

What is the sum of s and d electrons for Titanium (Ti)?

• 2
• 4
• 6
• 8

Why is Ti(IV) more stable than Ti(II) or Ti(III)?

• It has a higher charge
• It forms stronger bonds
• Losing 4 electrons achieves a noble gas configuration
• It is smaller in ionic size

What is the oxidation state of Chromium in CrCl₃?

• +2
• +3
• +4
• +6

Which of the following is an example of a ligand with π-acceptor character?

• H₂O
• NH₃
• Cl⁻
• CO

What is the oxidation state of Cobalt in [Co(H₂O)₆]²⁺?

• +1
• +2
• +3
• +4