1.

Give the IUPAC names of the following compounds: (i) o-Bromobenzaldehyde (ii) Diethyl ketone (iii) 4-Hydroxy-3-methoxybenzaldehyde (iv) (v) Propargyladehyde (vi) (vii) ClCH_(2)CH_(2)CH_(2)CH_(2)-overset(O)overset(||)(CH) (viii) Phenylacetadehyde (ix) (x) Allymethyl ketone (xii) Salicyladehyde (o-hydroxybenzaldehyde) (xiii) p-nitrobenzaldehyde (xiv) Isopropyl methyl ketone (xv) Benzyl methyl ketone (xvi) Strategy: The IUPAC names of aldehydes and ketones are derived from the name of the parent hydrocarbon. The suffix-al is added to the characteristic stem in aldehydes while the suffix -one is added in ketones

Answer»

Solution :(i)
(ii) `OVERSET(1)(CH_(2))overset(2)(CH_(2))underset("Pentan-3-one")(underset(O)underset(||)overset(3)(C)overset(4)(CH_(2)overset(CH_(3))`
(iii)
(iv) `4`-chloro-`6`-methylheptan-`3`-one
(v) `HCunderset("propynal")(-=overset(O)overset(||)C CH)`
(vi) `5`-Bromo-`3`-ethylnycycloheptanone
(vii) `5`-Chloropentanal
(VIII) `C_(6)H_(5)underset("Phenylethanal")(CH_(2)-overset(O)overset(||)(C)-H)`
(ix) `2`- Naphthalenecarbaldehyde
(X) `CH_(3)-underset(("not pent-1-en-4-one"))underset("Pent-4-en-one")(underset(O)underset(||)(C)-CH_(2)-CH=CH_(2))`
(xi)
(xii)
(xiii)
(xiv) `CH_(3)-underset("3-Methylbutanone")(underset(CH_(3))underset(|)overset(3)(CH)-underset(O)underset(||)overset(2)(C)-overset(1)(CH_(3)))`
(xv)
(xvi) `4`-Methylpheny-`3`-nitrophenylmethanone


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