Question

Write the IUPAC names of following ketones and aldehydes. Wherever possible, give common nemes also.
i. `CH_(3)CO(CH_(2))_(4)CH_(3)`
ii. `CH_(3)CH_(2)CHBrCH_(2)CH(CH_(3))CHO`
iii. `CH_(3)(CH_(2))_(5)CHO`
iv. `Ph-CH=CH-CHO`
v.
vi. `PhCOPh`

Answer 1

(i) `underset("Methyl-n-pentyl ketone")underset("Heptan-2-one")(overset(1)CH_(3)-overset(O)overset(2"|| ")C-overset(3)CH_(2)overset(4)CH_(2)overset(5)CH_(2)overset(6)CH_(2)overset(7)CH_(3)` , (ii) `underset("Heptanal")(overset(7)CH_(3)overset(6)CH_(2)overset(5)CH_(2)overset(4)CH_(2)overset(3)CH_(2)overset(2)CH_(2)overset(1)CHO`
(iii) `underset(("Cinnamaldehyde"))underset(3-"Phenylprop"-2-"enal")(C_(6)H_(5)overset(3)CH=overset(2)CH-overset(1)CHO` , (iv) `underset(("Benzophenone"))underset("Diphenylmethanone")(C_(6)H_(5)-overset(O)overset(||)C-C_(6)H_(5)`
(v) , (vi) `underset("4-Bromo-2-2methylhexanal")(overset(6)CH_(3)overset(5)CH_(2)underset(Br)underset(|)overset(4)CHoverset(3)CH_(2)underset(CH_(3))underset("| ")overset("2 ")(CH)overset(1)CHO`