A : The dehydration of ethyl alcohol in presence of `Al_(2)O_(3)` at 633 K gives ethene.
R : The reaction proceed through the formation of carbocation intermediate.

Options

A. Porousity of `Al_(2)O_(3)`
B. Temperature
C. Concentration
D. Surface area of `Al_(2)O_(3)`.

Answer

B

Explanation

Temperature is an effective factor and the ease of dehydration of alcohols is
`3^(@) gt 2^(@) gt 1^(@)`