The Complex Cis-[CoCl(NH₃)(NH₂CH₂CH₂NH₂)₂]²⁺ Was Resolved into Optical Isomers in 1911

question 21

Multiple Choice

The complex cis-[CoCl(NH₃) (NH₂CH₂CH₂NH₂) ₂]²⁺ was resolved into optical isomers in 1911 by Alfred Werner,demonstrating the octahedral geometry of the ion.Name this complex ion.

• A)cis-chloroammineethylenediaminecobalt(II)ion
• B)cis-amminechloroethylenediaminecobalt(III)ion
• C)cis-amminechlorobis(ethylenediamine)cobalt(II)ion
• D)cis-amminechlorobis(ethylenediamine)cobalt(III)ion

Learn about the transatlantic slave trade's early operations, including the seizing of key African slaving posts and the diverse origins of slaves brought to North America.

Gain insights into the legal and social status changes of slaves and free blacks in seventeenth-century America, including landmark cases and laws.

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