Question

What is isomensm 2 mention The type of isomerism exhibited by alkenes
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Answer 1

Answer:

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Alkenes have two types of geometrical isomers : ... Cis isomer: The isomers which are formed by cis isomerism is called as cis isomers. 2. Trans isomer: The isomers which are formed by trans isomerism is called as trans isomers.

Answer 2

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Alkenes have two types of geometrical isomers : ... Cis isomer: The isomers which are formed by cis isomerism is called as cis isomers. 2. Trans isomer: The isomers which are formed by trans isomerism is called as trans isomers.

Isomerism :

Presence of double bond in alkene provides the possibility of both structural and geometrical isomerism.

Structural Isomerism :

The first two member's ethene C2H4 and propene C3H6 do not have isomers because the carbon atoms in the molecules can be arranged only one distinct way.

However from the third member of alkene family butene C4H10 structural isomerism exists.

Geometrical isomerism:

It is a type of sateroisomerism and it is also called cis-trans isomerism. Such type of isomerism results due to the restricted rotation of doubly bounded carbon atoms.

if the similar groups lie on the same side, then the geometrical isomers are called Cis-isomers. When the similar groups lie on the opposite side, it is called a Trans isomer.

for example, the geometrical isomers of 2-Butane

hope it helps.... :)