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Place the following alcohols in decreasi...

Place the following alcohols in decreasing order of rate of dehydration with concentration `H_2SO_4`.
1. `CH_3CH_2CH(OH)CH_2CH_2CH_3`
2. `(CH_3)_2C(OH)CH_2CH_2CH_3`
3. `(CH_3)_2C(OH)CH(CH_3)_2`
4. `CH_3CH_2CH(OH)CH(CH_3)_2`
5. `CH_3CH_2CH_2CH_2CH_2CH_2OH`

A

`4 gt 2 gt 1 gt 3 `

B

`4 gt 3 gt 2 gt 1 `

C

`1 gt 2 gt 3 gt4`

D

`4 gt 3 gt 1 gt 3`

Text Solution

Verified by Experts

The correct Answer is:
A
Ease of dehydration of alcohol is Tertiary ` gt ` Secondary ` gt` Primary
`underset((4))(CH_3-underset(OH)underset(|)overset(CH_3)overset(|)C-overset(CH_3)overset(|)CH-CH_3)gt underset((2))( CH_3-underset(OH) underset(|) overset(CH_3)overset(|)C-CH_2CH_2CH_3 ) gt underset((1))(CH_3CH_2underset(OH)underset(|)CH-CH_2CH_2CH_3) gt underset((3))(CH_3CH_2CH_2CH_2CH_2CH_2-OH)`
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