Hydrocarbons - Result Question 32

####34. In preparation of alkene from alcohol using Al2O3 which is effective factor?

[2001]

(a) Temperature

(b) Concentration

(c) Surface area of Al2O3

(d) Porosity of Al2O3

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Solution:

  1. (a) Reaction conditions for alcohol in preparation of alkenes are :

RCH2CH2OH350380CAl2O3RCH=CH2+H2O

At 220250C it forms ether.



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