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can anyone pls tell me for what conditions will the product be an alkene and for what will it be an ether- C2H5OH + Al2O3 --->



can anyone pls tell me for what conditions will the product be an alkene and for what will it be an ether-


C2H5OH + Al2O3 --->



Grade:12

4 Answers

Ritvik Gautam
85 Points
9 years ago

At higher temperatures, elimination takes place, hence an alkene will be formed.

While at lower temperatures, substitution takes place, hence an ether will be formed.

 

 

Please approve the answer by clicking "Yes" below!!

Jaya IITK
207 Points
9 years ago

temp above 343 gives alkene and below ether

 

BEST OF LUCK!!!!!!!!!!!!!!!!

 

Pls approve my answer by clicking on yes below!!!!!!!!!

 

Godfrey Classic Prince
633 Points
9 years ago

Dear Amol dave,

This is a simple way of making gaseous alkenes like ethene. If ethanol vapour is passed over heated aluminium oxide powder, the ethanol is essentially cracked to give ethene and water vapour.

For getting an Ether from Ethanol,use two moles of Ethanol with the Oxidising agent Al2O3 at 413 K gives Ethoxyethane !

         2 CH3-CH2-OH  ----------> CH3-CH2-O-CH2-CH3 + H2O

 

Hope you understood !

All the Best & Good Luck !!!

If you loved the answer the answer then please do not forget to approve it by clicking on"Yes" below..!!Smile

Ashwin Sinha
520 Points
9 years ago

Dear Amol Dave,

 Temp. > 343 K will give alkene, & temp. lower than this will give ether!!!!!

 

 Plz. approve my answer by clicking 'Yes' given below!!!!!!! Plz. Pl.z Pl.z!!!!!!!!! Don't forget!!!!!Smile

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