IUPAC name of `alpha,alpha` 'di chloro diethyl ketone is

The IUPAC name of diethyl ketone is

IUPAC name of alpha - hydroxybutyraldehyde

IUPAC name of 1,2-di chloro benzene m-dichloro benzene 1,6 -dichloro benzene o-di chloro benzene

The incorrect IUPAC name of a compound is 3,3-diethyl butane. Write its structural formula and correct the name of the compound.

The IUPAC name of alpha- methylpropionic acid is