The Number of Geometrical Isomers and Optical Isomers of the Complex

question 75

Multiple Choice

The number of geometrical isomers and optical isomers of the complex ion [Co(en) ₃]³⁺ are, respectively,

• A) 2 and 2.
• B) 1 and 1.
• C) 3 and 2.
• D) 1 and 2.
• E) 2 and 4.

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Definitions:

Period

A length or span of time; in grammar, it is a punctuation mark used to denote the end of a sentence.

Neurotransmitters

Chemical substances in the nervous system that transmit signals across a synapse from one neuron to another.

Neuron

A neuron, which serves as the foundational unit of the nervous system, is essential for the reception, processing, and communication of information via electrical and chemical signals.

Impulse

A sudden, involuntary urge to do something.