Question

a) Write the name or formula of the following:

i) A simple ether

ii) A mixed ether

iii) A dihydnc alcohol

iv) A trihydric alcohol.

b) Phenol on treatment with Br₂ in CS₂ at low temperature gives two isomenc monobromo phenols ‘X’ and ‘Y’. But phenol on treatment with bromine water gives a white precipitate ‘Z’. Identify the products ‘X’, ‘Y’. and ‘Z’.

Answer 1

a) I) Dimethyl ether(Methoxymethane) – CH₃ – O – CH₃

ii) Ethylmethyl ether (Methoxyethane) – CH₃– O – C₂H₅

iii) Ethylene glycol (Ethane-1 ,2-diol) – HO – CH₂– CH₂ – OH

iv) Glycerol (Propane-1, 2, 3-trio I) – HO – CH₂ – CH(OH) – CH₂ – OH