8. How many stereocenters are present in the following molecule? OH b. 2 d. 7 a....
8. How many chiral carbons are present for the following molecule? CH3 HO–CH2-CH2-C-CH=CH-CH3 NH2 a. 4 b. 3 c. 2 d. 1 e. none
10. How many stereocenters are present in the following compound? OH, HOJ OH 0 il A) 2 B) 3 C)4 D) 5 E) 6
3. Of the following structures, how many are classified "? H2C H3C CH2CH3 H3C CH=CH2 H CH Cl Cl Cl CH=CH2 H3C H2CH3 A) 1 B) 2 C) 3 D) 4 E) 5 How many stereogenic centers are present in the following molecule? CHCHCH3 OH H3C A) 1 B) 2 C) 4 D) 6 E) 8
can someone help me with this plz and thanks. 24. Which of the following pairs are NOT contributing structures? A. H3C-0-N=O: and H3C-O=N-O: B. :=c=o: and : O=C-O c . H3C-0–N=O: and H3C-N D. E. Each of these pairs represents contributing structures. None of these pairs represents contributing structures. 34. Which acid-base reaction would not take place as written? (Which has an equilibrium constant less than one?) A. CH3Li + CH CH CH CH NH2 - CH + CH3CH=CH-CHỌNhi B....
Please Explain. (2) How many stereocenters does each molecule have. How many stereoisomers each molecule can have in theory? Br Br CI Br а от OH ОН ОН ОН (3) Circle the chiral molecules. If molecule is achiral – show its plane of symmetry. Н Н. СІ CI Br Br Br да» 2 HT / / CH3 CH3 1 1
1. In the structure of the antibiotic Aztreonam illustrated below, how many nitrogen atoms have a sp2 hybridization state? 2. What is the number of oxygen atoms on which the negative charge will resonate by following relevant resonance structures? (0,1,2,3,4 or 5) 3. Identify the stereochemistry of each of these double bonds marked 1 and 2 in the structure below ((E) or (Z)) 4. What is the absolute configuration of the following molecule? (R/S) 5. Determine the relationship between these...
1. write how many hydrogens are present around each indicated atom OH 2. Identify the type of organic molecule. Options: ALKANE, ALKENE, ALKYNE, AROMATIC, ETHER, ESTER, ALCOHOL, ALDEHYDE KETONE, THOL, AMIDE, AMINE, CARBOXYLIC ACID a. CH3 H3C-CH2-c-0CH3 CH3 b. 3. Name the organic compound a. Br CH2CH3 CH-CH-CH-CH-04-04-CH, 4.Draw the complete balanced chemical equation for the halogenation reaction of 1-pentene by bromine gas, Br2(g).
(b) How many t bonds in 7. In each case, circle the molecule of the pair with the specified property. At the right, give a brief explanation for your choice in terms of intermolecular forces (IMFS). (a) more soluble in water: Explanations: OH (b) higher boiling point: OH HO OH (c) More soluble in CCl NH&CI CH3(CH2).CH3 (d) higher boiling point: (e) higher boiling point: CH3(CH2)4CH3 CHs(CH2),CH3 () higher boiling point:
please explain 1-5 1. Hydrocodone, the synthetic opiate in Vicodin contains stereocenters. 2. The following structures are (what type of stereoisomer). 3. The structure of the 35,4R enantiomer of 3-bromo-4-chlorohexane is, 4. Identify all stereocenters as Ror S. NH2 Y OH ÖCH3 5. The priority order for the following groups is (highest = 1), OH -c-ai CH₃ -CH CH2 -c-oh - ch CH,
Practice Set-lll CH3 o 1. H3c-C- CHa a HaC, CH3 PY ? H-C-N H Нас + OH T CH2 2. ? CH2 he N(CH3)2 O2N HaC CH3 Phosgene, ? (Review a 3. O-CC2 2 CO2H PY ? HaC 4. Нас OH +CH3 NH2 ? H + excess CH30H ? 6. CH(CH2)16 heat b-(CH2)1CH3 heat ? 7. CaHs-C O-CH2 + NH2-OH hydrorylarnine O- Practice Set-lll CH3 o 1. H3c-C- CHa a HaC, CH3 PY ? H-C-N H Нас + OH T...