what Is A,b,c,d,e,f,g,h,i,and j pointing to?

available answers
carboxylic acid
nitrile
sulfonic acid
aldehyde
Easter
ketone
acid halidle
alcohol
acid halide
thiol
amide
amine

what Is Abcdefghiand j pointing toavailable answerscarboxylic acid nitrile sulfonic acidaldehyde Easterketoneacid halidlealcohol acid halidethiolamideamine class=