An aldose is converted into its next higher homologue by:

Convert D-erythrose to next higher aldose.

Next higher homologue of phenol is-

In the multi step conversion of an Aldose in to next higher Aldose by Kiliani - fischer synthesis the reagent employed in the first step is

The higher homologue of hexane .

Name the following : Third member of alkane series Next higher homologue of methanoie acid

Give reason: Lower members of aldehyde and ketone series are water soluble, but not the higher homologues.

Amount of energy required to excite an electron of an atom from the lower energy state to its next higher energy state is defined as: