Oxidation States Of Lanthanoids | Summary and Q&A

TL;DR

This video discusses the different oxidation states of lanthanides, primarily +3, but also some variations.

Key Insights

• ❓ Lanthanides typically have an oxidation state of +3, but there are exceptions.
• ❓ Lanthanum, cerium, praseodymium, and europium can also exist in other oxidation states.
• ❓ Some lanthanides, like promethium and gadolinium, exist only in specific oxidation states.

Transcript

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Questions & Answers

Q: What are the common oxidation states of lanthanides?

The common oxidation state of lanthanides is +3, but there are also some variations in certain elements.

Q: What are the oxidation states of lanthanum?

Lanthanum can exist in oxidation states of +3, +2, and +4.

Q: Which lanthanides can exist in the +2 oxidation state?

Lanthanum, neodymium, samarium, europium, erbium, thulium, and ytterbium can all exist in the +2 oxidation state.

Q: What is the oxidation state of dysprosium?

Dysprosium exists only in the +3 oxidation state.

Summary & Key Takeaways

• Lanthanides typically have an oxidation state of +3, but some show variable oxidation states.

• Lanthanum can exist in states of +3, +2, and +4.

• Cerium can exist in states of +3 and +4.

• Praseodymium can exist in states of +3 and +4.

• Neodymium can exist in states of +2, +3, and +4.

• Promethium exists only in the +3 state.

• Samarium can exist in states of +2 and +3.

• Europium can exist in states of +2 and +3.

• Gadolinium exists only in the +3 state.

• Terbium can exist in states of +3 and +4.

• Dysprosium exists only in the +3 state.

• Holmium exists only in the +3 state.

• Erbium can exist in states of +2 and +3.

• Thulium can exist in states of +2 and +3.

• Ytterbium can exist in states of +2 and +3.

• Lutetium exists only in the +3 state.