Ethanol is converted into ethoxy ethane,

Options

A. by heating excess of ethanol with conc. `H_2 SO_4` at `140^@ `C
B. by heating Ethanol with excess of conc. `H_2 SO_4 `at 443 K.
C. by treating with conc `H_2 SO_4` at room temperature.
D. by treating with conc `H_2 SO_4` at 273 K.

Answer

A

Explanation

`underset("Ethanol (excess)")(CH_3 CH_2 OH) underset(140^@ C)overset("conc." H_2 SO_4)to underset("Ethoxyethane")(CH_3 CH_2 -O-CH_2 CH_3) + H_2 O`