Which complex ion geometry has the potential to exhibit cis– trans isomerism: linear, tetrahedral, square planar, octahedral?

Answer 1

Only the square planar and octahedral complexes can exhibit cis-trans isomerism.

Linear and tetrahedral complexes cannot exhibit cis-trans isomerism, but square planar and octahedral complexes can.

Square planar complexes

In the two complexes shown below, one has the two iodine atoms adjacent to each other (cis), and the other has the iodine atoms across from each other (trans)

, shown below can exist as cis and trans isomers.

The cis isomer has the chlorine atoms (green balls) adjacent to each other, and the trans isomer has them across from each other.

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Answer 2

Elias Aguila

Square planar

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Answer 3

Maya Allen

Square planar and octahedral complex ion geometries have the potential to exhibit cis–trans isomerism.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.