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For the molecule whose condensed structural formula is given below, decide if cis-trans isomers are possible. If they are, enter the name of the cis isomer in the first box and the name of the trans isomer in the second box. If cis-trans isomers are not possible, enter the name of the compound in the first box and leave the second box blank. Do not attempt to put "cis" or "trans" in italics.
CH3CH2CH
name of cis isomer or molecule:_______.
name of trans isomer or none:_______.

Respuesta :

Answer:

CH₃CH₂CH - Prop-1-yne - does not exhibit Cis-Trans isomerism.

 

Explanation:

Cis-Trans isomerism occurs mainly in organic compounds who have two different substituted compounds either of both sides (Cis-) or different sides (Trans-) of a doubly-bonded C=C compound.

That is, Cis-trans isomerism occurs in substances with structure

R₁-C=C-R₂

where R₁ and R₂ are different substituted hydrocarbons

Aklynes are triply bonded carbon compounds, who though are restricted from rotating around the C-C triple bonded, however cannot contain more than one substituted hydrocarbon as a result of the same C-C triple bond (C≡C)

Hence, prop-1-yne,   CH₃-CH≡CH cannot exhibit Cis-Trans isomerism.

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