Pairs of enantiomers are: CH3 I H3CCI CH2CH2CH3 CH3 CICH CH CH CH3 CH_CH2CH3 CHCI CH2CH2CH3...
--> А Click Submit to complete this assessment. Question 28 Pairs of enantiomers are: CH3 H5C iсi CH2CH2CH3 III CH3 CICH CH2CH2CH3 Hzc H3C CH2CH2CH3 CH2CH2CH3 CH2CI H3C I CH2CH2CH3 al II O b. IV. v None of the structures. d. I, II and III, IV e. III, IV A Click Submit to complete this assessment.
Pairs of enantiomers are: Testbank Question 7 Pairs of enantiomers are: CHE H3Ca CH2CH2CH ARCH CH2CH2CH3 HC a CH2CH2CH3 IH Om CH2CH2CH3 нсісі CHCI Нін CH2CH2CH3 I ? O I, II and III, IV I, II III, IV O IVV None of the structures. Click if you would like to Show Work for this question: Open Show Work By accessing this Question Assistance, you will learn while you can
questions 29 & 30 28 Я B Cis-trans isomers are diastereomers enantiomers stereoisomers constitutional isomers More than one of these choices 29 Pairs of enantiomers are CH3 H. CC CH2CH2CH3 CHE CH CH.CH2CH3 HCC CH2CH2CH3 CH2CH.CH HACCI CHCI HH CH2CH.CH IV I, I and III, IV III, IV IV, V None of the structures. 30 (R)-2-Chlorobutane is represented by CH3 CH3 CH2CH3 CHCI Нccici--cн, Насісін, сісі HH CH.CH, CH.CH CH.CH CH.CH BEKIODIC IVBTE OLIHE ETENEK А | DIV E v
1) Which of the following is a secondary alcohol? A) CH3CH2-CH-CH2CH2CH3 CH2CH2CH2OH он - CH₂ CH3 CH2-CH-CH3 он CH2CH3 CH2CH2CH3 CH3CH2-C-CH2CH3 OH 2) The substance that precipitates in a positive Benedict test is: A) Cuo B) Cu2o C) Ag D) none of these 3) Galactose is called a(n): A) ketohexose B) aldopentose C) aldohexose D) ketopentose 4) Identify all the disaccharides from the following list: i) Lactose ii) Glucose iii) Ribose iv) Maltose A) iii B) iii + iv C)i...
give explanations pls Chuper Cыper 5 MULTIPLE CHOICE QUESTIONS Part 5: Stereochemistry 5. Pairs of enantiomers are: Answers on page 24-26 Topic: Identifications a nd Comparisons нс Снснснь н,с сHсH,сн, CI снснсн I. Which of the following is the enantiomer of the following substan ce? п Br CH сн ҫH.сH,сн, HC C сна H I II III снснсн, A) IV II and III, IV It does not have a non-superposable enantiomer Both II and III E C) II, IV D)...
4. Which pall or suructures are enantiomers? COOH OH CH3 Ноосон нон CH2CH3 Br CH CI WYCH CH3 ÇH2CH3 CH3 HO CH3 HOCH CHz a) I, II b) II, III c) I, III d) I, II, III 5. Which are meso compounds? OH H ANH OH - H TOH a) I and II b) II and III c) I and III d) III and IV
Rank the following carbocations in order of increasing stability. CHCI CH -CHCI C–CH CH C1 CH I II III a. (least stable) I < II < III (most stable) b. (least stable) II < I < III (most stable) c. (least stable) III < I < II (most stable) d. (least stable) III < II < I (most stable) e. (least stable) I < III < II (most stable) f. (least stable) II < III < I (most stable)
PROBLEM 9 What is each compound's systematic name? CH3 CH2CH2CH3 f. CH2C-CHCH2CH3 CH3 CH3 a. CH2CH2CHCH2CCH3 CH3 CH2CH2CH3 g. CH,CH,C(CH,СH),CH,CH,CH, h. CH,CH,CH,CH,СНCH,CH,CH3 CH(CH3)2 CH3 b. CH CH2C(CH) с. CH,CH,CH-СНCH-CH,CH3 CH2CHCH2CH3 CH3 CH3 d. CH,CHCH,CH-СCH3 i. CH,CHCH,CH,СНСH CH3 CH2CH3 CHCH-CICH,CH)-СH(CH)CH(CH CH-CH)2 e.
21. Consider the following: CHj CH2 CH-CHCH2 CH CH CH2 CH2 CH2 CH-CH2 CH3 CH-CHCH2 CH2 CH3 CH2-CHCH2 CH2 CH2 CH3 IV which two structures represent the same compound? a. I and II b. II and III c. I and III d. II and IV e. None of these 22. In which of these cases, does the central atom have a zero forma.l charge? a. HEH CH3 OCH3 C. F FBF d. H CH3 H CH3 CH CH3 CCH CH3...
(a) Name the compounds whose structures are shown below: H2C= CH-CH2CI (ii) CI CHCI cui con-atione CH3-CHAI2 с con go есс-сHсі CHE (b) Draw structures for these compounds: (i) 1,3-dichlorobenzene (m-dichlorobenzene) (ii) 1,2-dichloro-2- methylpropane (iii) trans-1,2-dichloroethylene (iv) 3-methylpentane