Choose the INCORRECT Statement

question 4

Multiple Choice

Choose the INCORRECT statement.

• A)Among the methods to separate the lanthanides are fractional precipitation and solvent extraction.
• B)Because the properties of the lanthanides are so similar,separation must be done in a series of repetitive steps.
• C)Lanthanides are reactive metals,that is they liberate H₂(g)from acids.
• D)The 4f electrons play a major role in chemical bonding.
• E)The pure lanthanide metals can be produced by electrolytic reduction from the +3 oxidation state.

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