Write IUPAC names of the products obtained by the ozonolysis of the following compounds:

Write IUPAC names of the products obtained by the ozonolysis of the following compounds:
i) Pent-2-ene (ii) 3,4-Dimethylhept-3-ene (iii) 2-Ethylbut-l-ene.

(i) Pent-2-ene is