When vapours of an alcohol are passed over hot reduced copper, it gices an alkene. The alcohol is

When vapours of an alcohol are passed over hot reduced copper, it gives an alkene. The alcohol is

When vapour of an alcohol are passed over hot reduced copper, it gives an alkene. The alcohol is

When vapours of tert.butyl alcohol are passed over hot copper, it gives ....

When vapours of an alcohol are passed over hot reduced copper, alcohol is converted into alkene, the alcohol is