Question

Arrange the following compounds in order of increasing viscosity: Propanol, CH3CH2CH2OH; Propanediol, CH3CH(OH)CH2OH; Propanetriol , HOCH@CH(OH)CH2OH

Answer 1

As the molecules tend to become more viscous the more OH groups then I would put the order of increasing viscosity as

Propanol,
Propanediol,
Propanetriol,

Answer 2

3,2,1