Write IUPAC names of the products obtained by the ozonolysis of the following compounds:
(i) Pent-2-ene (ii) 3,4-Dimethyl-hept-3-ene
(iii) 2-Ethylbut-1-ene (iv) 1-Phenylbut-1-ene

Explanation

(i)`underset"Pent-2-ene"(overset5CH_3-overset4CH_2-overset3CH=overset2CH-overset1CH_3) underset((ii)Zn//H_2O)overset((i)O_3//CH_2Cl_2, 196 K)to underset"Propanal"(CH_3-CH_2-CH)=O+O=underset"Ethanal"(CH-CH_3)`
(ii)`underset"3,4-Dimethylhept-3-ene"(overset7CH_3overset6CH_2overset5CH_2-undersetunderset(H_3C)(" "|)overset4C=undersetunderset(CH_3)|overset3C=overset2CH-overset1CH_3 underset((ii)Zn//H_2O)overset((i)O_3//CH_2Cl_2, 195 K)to underset"Pentan-2-one"(CH_3CH_2CH_2-oversetoverset(CH_3)|C=O)+underset"Butan-2-one"(O=undersetunderset(CH_3)|C-CH_2H_3)`

(iv)`underset"1-Phenylbut-1-ene"(overset4CH_3overset3CH_2-overset2CH=overset1CH-CH_6H_5) underset((ii)Zn//H_2O)overset((i)O_3, CH_2Cl_2 , 196 K) to underset"Propanal"(CH_3CH_2CH=O)+underset"Benzaldehyde"(O=CH-C_6H_5)`