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Magazine Problem 13
Identify each compound as an aldehyde or a ketone and give its systematic name: (a) \(\mathrm{CH}_{3} \mathrm{CHO}\); (b) \(\mathrm{CH}_{3} \mathrm{COCH}_{3}\); (c) \(\left(\mathrm{CH}_{3} \mathrm{CH}_{2}\right)_{2} \mathrm{CO}\).
Problem 15
Write the structural formula of (a) butanal; (b) 3-hexanone; (c) 2-heptanone.
Problem 16
Write the structural formula of (a) 2 -ethyl-2-methylpentanal; (b) 3,5 -dihydroxy-4-octanone; (c) 4,5 -dimethyl-3-hexanone.
Problem 17
Give the systematic name of (a) \(\mathrm{CH}_{3} \mathrm{COOH}\);
Problem 18
Give the systematic name of (a) \(\mathrm{CH}_{3} \mathrm{CH}\left(\mathrm{CH}_{3}\right) \mathrm{CH}_{2} \mathrm{COOH}\); (b) \(\mathrm{CH}_{2} \mathrm{ClCH}_{2} \mathrm{COOH}\); (c) \(\mathrm{CH}_{3}\left(\mathrm{CH}_{2}\right)_{7} \mathrm{COOH}\).
Problem 19
Draw the structure of (a) benzoic acid, \(\mathrm{C}_{6} \mathrm{H}_{5} \mathrm{COOH}\) (b) 2 -chloro-3-methylpentanoic acid; (c) hexanoic acid; (d) propenoic acid.
Problem 20
Draw the structure of (a) 2-methylpropanoic acid; (b) 2,2 -dichlorobutanoic acid; (c) 2,2,2-trifluoroethanoic acid; (d) 4,4-dimethylpentanoic acid.
Problem 21
Give the systematic name of each of the following amines: (a) \(\mathrm{CH}_{3} \mathrm{NH}_{2}\); (b) \(\left(\mathrm{CH}_{3} \mathrm{CH}_{2}\right)_{2} \mathrm{NH}\); (c) \(\mathrm{o}-\mathrm{CH}_{3} \mathrm{C}_{6} \mathrm{H}_{4} \mathrm{NH}_{2}\).
Problem 22
Give the systematic name of each of the following amines: (a) \(\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{CH}_{2} \mathrm{NH}_{2}\); (b) \(\left(\mathrm{CH}_{3} \mathrm{CH}_{2}\right)_{4} \mathrm{~N}^{+}\); (c) \(p-\mathrm{ClC}_{6} \mathrm{H}_{4} \mathrm{NH}_{2}\).
Problem 23
Write the structural formula of each of the following amines: (a) \(o\)-methylphenylamine; (b) triethylamine; (c) tetramethylammonium ion.
