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22. Which of the following structure(s) contribute to the most stable NO2 structure? 10-N=0 II. I...
22. Which of the following structure(s) contribute to the most stable NO2 structure? +1 1:0-N=0 10=Ň - 7 III. :O -Ň - Ö: .. A. I only B. II and III only C. I and II only D I, II and III only
Which of the following traits contribute to the value of goodwill? i – Commonplace product ii – Experienced management iii – Recognizable brand name iv – Skilled workforce Select one: a. i, ii and iii only b. ii, iii and iv only c. all of i, ii, iii and iv d. i, ii and iv only
in which one of the following is the most stable lewis structure a resonance structure (central atom bold) a) No2+ B) cocl2 c Cl03- d HCN e CO2
NA afte. 9 Select the most stable conformation for trans-1-tert-butyl-3-methylcyclohexane. н D A 10. Which of the following compounds are optically active [will rotate plane polarized light (is chiral)]? CIL CI CI CI C/. CI A CI CI В D С 11. Rank absorption of the indicated bonds in decreasing (highest to lowest) wavenumber. II н x III a) III> II>I b) I> II III OH c) II>I> IlI d) III I> II но, но—н 12. How many stereocenters are...
22. Which of the following compounds is(are) conjugated diene(s)? II III IV a. ll only b. I and III c. I and IV d. II, Ill, and IV 23. Vitamin D, has the following structure. Classify the circled pi-bond in vitamin D, as conjugated, cumulated or isolated a. Conjugated b. Cumulated c. Isolate 24. What is the IUPAC name for the following compound? a. (22,42,6E)-3,4,7-trimethylocta-2,4,6-triene b. (2,4,6E)-2,5,6-trimethylocta-2,4,6-triene c. (25,4Z)-3,4,7-trimethylocta-2,4,6-triene d. (48,6E)-2,5,6-trimethylocta-2,4,6-triene
which of the following is/are the most common hybridization/s for the beryllium atom? I. sp II. sp^3d III. sp^3 IV. sp^2 V. sp^3d^2 A I, III, IV B I, III C II, V D I E IV
Identify the most stable enol form of the following monosaccharide. Which of the following statements about the reduction of D-galactose with NaBH_4 is correct? The resulting product is the optically inactive aldonic shown in structure III. The resulting product is the optically inactive aldaric acid shown in structure I. The resulting product is the optically active alditol shown in structure II. The resulting product is the optically inactive alditol shown in structure II. The resulting product is the optically active...
QUESTION 43 Which of the following is most stable? 11 III IV 0 0 0 0 ON LECTION 44 QUESTION 44 What is the most likely product of the reaction below? 1. LDA i 2. 3. H2O II HO IV QUESTION 45 Which reactant, reagent and conditions will give the best yield of (R)-butan-2-ol? (S)-butan-2-ol with NaOCH3 CH3OH (5)-butan-2-ol with 1) TSCI, pyridine followed by 2) NaOCH3 CH3OH (S)-butan-2-ol with 1) Nah followed by 2) CH3Br (R)-butan-2-ol with 1) TsCl,...
Which Allene is least stable?
Which alkene is least stable? A I B) II C) III D None of these
Of the alkenes below (I-IV), which one is the most stable? I II III IV IV