Diethyl ether undergoes `C-O` bond cleavage when treated with

In ethers, the C-O-C bond angle is

Diethyl ether is __________

Fill in the blanks : Diethyl ether is obtained from ethyl bromide by treating with ………… and the reaction is called………….

The C-O bond in ether is

In CH_3CH_2OH , the bond that undergoes heterolytic cleavage most readily in presence of H_3O^+ is: