Astudent did a simple and fractional distillation on a mixture of a and b. their starting mixture was 47.69% a. the first fraction of their simple distillation was 37.59% a and the first fraction of their fractional distillation was 18.58% a. how many theoretical plates did they have in their fractional distillation?

Suggest which functional groups are responsible for the reactions with(i) sodium,(ii) bromine water(iii) alkaline aqueous iodine.(3 marks)(iv) suggest structures for x and y.(1 mark)(b) one molecule that has been found in the dust clouds is hydroxyethanal: hoch2cho. name the two functional groups present in this compound.(2 marks)(c) but-1-ene, ch3ch2ch=ch2, is an important compound in the petrochemical industry. some reactions of but-l-ene are given below. in each empty box, draw the structural formulaand write the name of the organic compounds formed.