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can red phosphorus and HI be used to prepare alkane from alcohols? eg. CHO-CH(OH)-CH(OH)-CH(OH)-CH(OH)-CH2OH GIVES N-HEXANE on treatment with P+HI.... How?

can red phosphorus and HI be used to prepare alkane from alcohols?


eg. CHO-CH(OH)-CH(OH)-CH(OH)-CH(OH)-CH2OH GIVES N-HEXANE on treatment with P+HI.... How?

Grade:upto college level

4 Answers

Avinash ghule
36 Points
7 years ago
yes it can be prepare....
Varun Acharya
39 Points
7 years ago
HI / Red P is one of d strongest reducing agents..... so it reduces all the functional groups to yield alkanes.... yes in the above case it yields n-hexane...
Sarang
17 Points
5 years ago
Alkanes are formed when alcohols, aldehydes, ketones or fatty acids are reduced with hot hydroiodic acid (aqueous solution of HI) and red phosphorus at 150-200*c
Rishi Sharma
askIITians Faculty 646 Points
one year ago
Dear Student,
Please find below the solution to your problem.

HI / Red P is one of d strongest reducing agents.
So it reduces all the functional groups to yield alkanes.
Yes in the above case it yields n-hexane

Thanks and Regards

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