AP BIOLOGY

BIOCHEMISTRY

ISOMERS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
If an alkane has different groups bound to the double-bonded carbon atoms that are on the same side of the molecule, it is called a
A
Trans stereoisomer
B
Structural isomer
C
cis stereoisomer
D
alter-bound
Explanation: 

Detailed explanation-1: -Consider the longest chain containing the double bond: If two groups (attached to the carbons of the double bond) are on the same side of the double bond, the isomer is a cis alkene. If the two groups lie on opposite sides of the double bond, the isomer is a trans alkene.

Detailed explanation-2: -If the two substituents are on the same side of the double bond, the configuration of the bond is cis. If the two substituents are on opposite sides of the double bond, the configuration of the bond is trans.

Detailed explanation-3: -The isomer in which similar atoms are present on the same side of the double bond is known as cis isomer.

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