Sagot :
Answer:
Organic chemistry. When the substituent groups are oriented in the same direction, the diastereomer is referred to as cis, whereas, when the substituents are oriented in opposing directions, the diastereomer is referred to as trans. An example of a small hydrocarbon displaying cis–trans isomerism is but-2-ene.
Answer:
Cis-trans isomers are compounds that have different configurations (groups permanently in different places in space) because of the presence of a rigid structure in their molecule. Alkenes and cyclic compounds can exhibit cis-trans isomerism. trans (the two hydrogen atoms are on opposite sides)
Example:
CHCl=CHBr
CHCl=CHBrCH2=CBrCH3
CHCl=CHBrCH2=CBrCH3(CH3)2C=CHCH2CH3
CHCl=CHBrCH2=CBrCH3(CH3)2C=CHCH2CH3CH3CH=CHCH2CH3