How many oxygen atoms are bonded to the carbon of the carbonyl of an ester functional group? (a) none (b) one (c) two (d) three How many structural isomers are there for hydrocarbons that have the...

How many oxygen atoms are bonded to the carbon of the carbonyl of an ester functional group?

(a) none

(b) one

(c) two

(d) three

How many structural isomers are there for hydrocarbons that have the molecular formula C₄H₁₀?

(a) none

(b) one

(c) two

(d) three