Give the `IUPAC` names for the following polyfunctional compounds:
i. `CH_(3)CH_(2)O-CH_(2)-CHOH-CH_(3)`
ii. `CH_(3)-underset(NO_(2))undereset(|)(C )N-CH_(2)-underset(OH)underset(|)overset(CH_(3))overset(|)(C )-CH_(3)`
iii. `CH_(2)=overset(H_(3)C)overset(|)(C )-overset(OH)overset(|)(C )H-CH_(2)CN`

Explanation

i. 1- Ethoxypropan-2-oal
ii. 2-Methy1-4-nitropentan-2-ol`
iii. 3-Hydroxy-4-methypent-4-ene-1nitrile
iv. 2-Carbamoylpropon-1-oic acid
2- carboxamidopropan-1-oic acid
v. Propane-1,2,3-tricarboxlic acid
vi. 5-Amino-3-methypentan-2-one
vii. 2-Formypropane-1,2,3,-tricarboxylic acid
viii. 4-Aminomethy1-2-ethy1-2-methylbutan--al
ix. 2-Hyroxy-4-methy1 hex -5-yn-1-oylchloride
x. Methy1 3-bromo-2-hydroxy-2-methylbutan-1-oate
xi. 3-Hydroxy-4-methylpent-4-en-1-al