Question

13) In the compound below, the hydroxyl group not contained in the carboxyl group is in which position? 13) LD CH3-CH2-CH-C-OH ОН A) 1 B) 2 C) 3 H D)4 DIE E) 5 14) What is the IUPAC name for this compound? DEDI OH in A) 24-dimethylpentanoic acid B) 3-methylhexanoic acid C) heptanoic acid D) pentanoic acid E) 3,4-dimethylpentanoic acid 15) A carboxylic acid is prepared from an aldehyde by A) reduction B) oxidation C) hydrolysis. D) neutralization, E) hydrogenation. 16) What happens to water solubility as chain length increases in carboxylic acids? A) It increases. B) It decreases C) It stays the same. 17) What is the IUPAC name of this compound? CHz--0--CH3 A) 2-ether-2-butanone B) ethyl methyl ester C) ethyl methanoate D) diethyl ester E) methyl ethanoate

Answer 1

@ čng - éma - Çin – CH, — СЫ C-OH OH COOH, OH both of them are bauctional groups. If two cor, more bauctional groups present in the compound then order priority is tollowed, cool is of more of priority elan oH • OH group ( Alcohol) attached to and Carbon option ® Correct. Root wound: peut- primary suttix: Que secondary suttix: oic acid pretix! 3,4- dimeday IUPAC Name et compound is ! 3,4-dimethyl optici @ correct. peutauoic acid.

15) Aldenydes an oxidaticu produce Carboxylic acid. RCHO (O), R COOH option ® correct 16) Carboxylic ands are soluble in water due to H-bond. RaceOfH ....... OH н Ая е Хелзва о Cayboy сони Increases, solubility at Carboxylic acids clecreases, - Opticu ® Correct o che go-chz 1 Ester sloup Root word! Etti primary suttix! Que Secondary settin' cate Pretix! Meerys I UPAC Name of Compound is. мет ецодоое option © correct =