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  • <img alt="C_2H_5OH+HI\overset{H_2SO_4}{\rightarrow}C_2H_5-I+H_2O" src="https://learn.careers360.com/latex-image/?C_2H_5OH&plus;HI%5Coverset%7BH_2SO_4%7D%7B%5Crightarrow%7DC_2H_5-I&plus;H_2O

C_2H_5OH+HI\overset{H_2SO_4}{\rightarrow}C_2H_5-I+H_2O

Why is the above reaction not possible?

Option: 1

It is possible


Option: 2

Reaction is too slow


Option: 3

Activaition energy is too high


Option: 4

H_2SO_4 Oxidixes HI


Answers (1)

best_answer

As we learnt

 

Reaction of alcohol with KI in presence of sulphuric acid -

 

Conversion of  -OH into I in presence of H2SO4 is not possible.

- wherein

HI is good reducing agent.

 

 

H2SO4 oxidizes HI to I_2 making the reaction impossible.Instead H_3PO_4 can be used.

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