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  • (i)    Complete the following reaction and suggest a suitable mechanism for the reaction :         <img alt="CH_3CH_2OH \xrightarrow {H^+, 443K}" src="https://entrancecorner.codecogs

(i)    Complete the following reaction and suggest a suitable mechanism for the reaction :

        CH_3CH_2OH \xrightarrow {H^+, 443K}

(ii)    Why ortho-Nitrophenol is steam volatile while para-Nitrophenol is less volatile ?

 

 

 

 
 
 
 
 

Answers (2)

(i) 

   CH_3CH_2OH \xrightarrow {H^+, 443K} CH_2=CH_2 + H_2O

Mechanism: Step 1 - Protonation

CH_3CH_2-{\underset{..}{\overset{..}{O}}}-H + H^+ \rightleftharpoons 

Step2 - Loss of water

\overset{\text{slow}}{\rightleftharpoons } CH_3CH_2^+

Step 3 - Deprotonation 

\rightleftharpoons H_2C = CH_2 + H^+

(ii)    o-nitrophenol is steam volatile while p-nitrophenol is less volatile because o-nitrophenol exists as discrete molecules due to the formation of intramolecular H-bonding between -OH and NO2 groups but in p-nitrophenol molecules are associated through intermolecular h-bonding.

Posted by

Sumit Saini

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predict the product s of the following reactions 

ch3-ch=ch2 

c6h5oh 

ch3ch2oh

 

 

 

 

 

 

 

 

Posted by

jyotsnha

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