Which is the more stable form of acetophenone? O Only III Only II I and II are equally stable Only I OH A Moving to another question will save this response. =

48. Which are possible enol tautomers of 2-methyl-3-pentanone? OH I (A) I and III (C) II and IV OH II 49. How is this mechanistic step classified? OH III (B) II and III (D) II, III, and IV OH IV HOCH 3 (A) it is neither stereospecific nor regioselective (B) it is stereospecific but not regiospecific (C) it is regioselective but not stereospecific (D) it is both stereospecific and regioselective Ps

Which of the following pairs of structures represent the same enantiomer, and whichrepresent different enantiomers?

Give systematic IUPAC names for each of the following: (b) ty C (d) Br s ㅎ OH (1) Br Br (h) CI &

n Award cis/trans-, E/Z-, R/S- and/or M/P-descriptor(s) to each of the following compounds: Hide Transcribed Text werd cla/trana-, E/Z-, R/S-and/er M/P-descriptorial to each of the following compounds: Et Et

What is the relationship between the two faces of the ketones labeled I, II, and III A B H₂CH₂C H₂Ca I = homotopic || = diastereotopic III = enantiotopic I = diastereotopic II = enantiotopic III = homotopic I = diastereotopic ⒸII = homotopic III = enantiotopic H I H CH₂CH₂ CH₂ H₂CH₂C H₂C H II H CH₂ CH₂CH₂ H₂C me H₂Ca H H III CH₂CH₂ CH₂CH₂ :

Could you please help me with these questions? Thank you!

1. How many stereoisomers are there for the compound below? b) 2 a) 1 c) 4 2. What is the appropriate IUPAC name for compound shown? OH L a) Enantiomers d) constitution isomers a) (R)-4-methyl-2-pentanol d) (S)-2-methyl-4-pentanol 3. What is the relationship between the two structures below? a) Enantiomers d) constitution isomers b) diastereoisomers e) same compounds |||| d d) 6 Br Br 4. What is the relationship between the two structures below? HO- H- OH -ОН. b) (S)-4-methyl-2-pentanol e) none of above b) diastereoisomers e) same compounds O HOH H -OH OH b HO e) 8 Page 1 of 5 OH f) none of above (c) (R)-2-methyl-4-pentanol c) different compounds f) none of above c) different compounds f) none of above H OH H OH HO OH 5. Which one of the following is the constitutional isomer of (2R,3R)-2,3-dibromopentane? a) (2S,3S)-2,3-dibromopentane (c) (2R,4S)-2,4-dibromopentane b) (2S,3R)-2,3-dibromopentane (d) (2R,3R)-2,4-dibromopentane 16

For each of the following pairs, please indicate if the compounds are (A) identical,   (B) constitutional isomers, (C) enantiomers, or (D) diastereomers:

(2S, 3R) – 2 - iodo – 3 methyl pentane treated with KCN in DMF