1-propanol and 2-propanol can be best distinghuished by

The mixture of o-nitrophenol and p-nitrophenol can be best seprated by

Benzaldehyde and acetone can best distinguished using

gamma -rays can be best detected with

Consider the following alcohols : (1) 1-Phenyl-1-propanol (2) 3-Pheny-1-propanol (3) 1-Phenyl-2-propanol The correct sequence of increaseing order of reactivity of these alcohols in their reaction with HBr is

The above reduction can be best carried out by :

The functional group present in propanol and proapanal respectively are .

The functional groups present in propanol and propanal respectively are