How many carboxylic acids (structural isomers only ) of molecular formula `C_5H_10O_2` is possible

Number of structural isomers with molecular formula C_(4)H_(10)O is

How many strutural isomers having molecular formula C_(3)H_(5)Br_(3) is possible?

How many chiral structure isomers of alcohols are possible by molecular formula C_5H_10O ?

How many carboxylic acid structures (structural isomers) can be written from the molecular formula C_(6)H_(12)O_(2) .

How many structural isomers are possible for the molecular formula C_(5)H_(11) Br ?

How many structural isomers of alcohol with molecular formula, C_(4)H_(9)OH are possible?