Engineering
Chemistry
Preparation of Alcohol
Question

Based on above isomers answer the following.

Which isomers on dehydration with conc. H2SO4 give alkene which is capable to show geometrical isomerism ?

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Linked Question 1

Above compounds (a) to (h) are isomers of C5H12O.

e

c

b

a

Solution
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Rearrangement keeps occurring until the carbocation formed is stable. 

Stability order 3º > 2º > 1
Hence, option C is correct.
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Linked Question 2

Above compounds (a) to (h) are isomers of C5H12O.

d

a

g

f

Solution
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A compound is easily dehydated using H2SO4 it forms a highly stable product double bond must be stabilised well by the alkyl group.

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Linked Question 3

Above compounds (a) to (h) are isomers of C5H12O.

g, h, f

None of these

a, b, c.

b, d, a

Solution
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Shows geometrical isomers.
More stable alkene,
Shows geometrical isomers.
Will show geometrical isomer.
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