secti 16) The indicated carbon atom is: 16). On A) Nucleophilic because it is electron-deficient. B)...
1. Which of the following statements about alkanes is not true? A) Alkanes are aliphatic hydrocarbons. B) Alkanes contain only C-C and C-H o bonds. C) Alkanes are acyclic or cyclic. D) Acyclic alkanes have two fewer H atoms than cyclic alkanes with the same n of carbons. 2. What is the approximate C-C-C bond angle in propane? A) 90° B) 109.5°C) 120° D) 180° 3 What is the hybridization of a carbon atom in an alkane? A) sp B)...
S.4. Classify each carbon atom as primary, secondary, and tertiary in the following molecules. X a) b) c) d)
B(OH)3 is a. acidic because the empty 2p orbital on the B atom can accept electron. b. basic because it can produce OH- ions in aqueous solution. c. acidic because the bonds between the oxygen and hydrogen atoms are weak. d. basic because it can donate electron density to electron poor molecules.
5. Assign R or S configuration to each indicated chirality center (carbon A and B) in the following molecule (vitamin C). Which of the following assignments is correct B но но OH но H se A a. carbon A (S); carbon B (R) b. carbon A (R); carbon B (R) c. carbon A (R); carbon B (S) d. carbon A (S); carbon B (S) 6. Which of the following statement is NOT correct? a Constitutional isomers are compounds whose atoms...
Imported from se 16. Identity the hybridization of each carbon atom in the following molecule. (The arrangement of atoms is given you need to determine how many bonds connect each por of atoms) HH Hн HC1 C2 C3 C4 C5 C6 H HH A C1 B. C2 C. C3 D. CA E. Cs F. CB 17. For which of the following compounds do cis- and trans-isomers exist? (2) A. 3 only B. 1 and 2 C. 2 and 3 D....
a. Alkenes with electron withdrawing groups are good dienophiles-True/False b. Wolfkishner reaction is helpful to convert an ester to alkane. True false c. Tertiary alcohol will be formed by the reaction between a ketone and Grignard reagent True/ false d. A cyclic conjugated compound with 6 pi electron is aromatic- True/ False e. Addition of CO; to Methyl magnesium bromide is a nucleophilic addition Truel false f A good protecting group should be cleaved during the progress of the reaction-True...
Please Hurry up ?? CHOOSE THE CORRECT ANSWER Q1] Organic chemistry study (a) Properties of organic compounds (b) Reactions of organic compounds (c) syntheses of organic compounds (d) all above Q2] Tertiary Carbon is (a) carbon atom contact with four carbon atoms (b) carbon atom contact with two carbon atoms (c) carbon atom contact with three carbon atoms (d) carbon atom contact with one carbon atom Q3] One of these compounds contain quaternary carbon atom (a) 2,3-dimethylpentane (b) 3-methylhexane (c)...
Laboratory MOUTU ICEF MCPHS University - Professor Z. I. Po CHE 231L.1-7 - Organic Chemistry I - Fall 2019 E or Zand the aliene as Eor Zand () shown below. Identify Examine the cholesterol-lowering drug Rosuvastatin (Crestor absolute configuration of the 2 alcohol as Rors. Eor 2 Rosuvastatin Crestor d to treat high holes e and r and related conditions, and to prevent cardiovascular disease JER Ja ZS bZR [CES ſe] E, achiral 7. Examine the molecule piperine, an alkaloid...
21-Ketones are easily reduced to secondary alcohols. b- Primary CH, CCH, a-Secondary alcohol alcohol C- to acetaldehyde acid d-to carboxylic 22-Ozonolysis of alkenes yields aa-ketones if one of the unsaturated carbon atoms is disubstituted b-alcohol C-carboxylic acid d-alkane 23-Aldehyde C=0 is more polarized than ketone C-0 because a-As in carbocations, more alkyl groups stabilize + character b-Ketone has more alkyl groups, stabilizing the C=0 carbon inductively cc- due to a and b d- none of the above 24-Aldehydes and unhindered...
NAME! Select the best answer and bubble it in on your blue scantron. 1. Where would be the absorption peak of a carbonyl, C-0, stretching in IR? a) around 3300 cm b) around 2980 cm" c) around 1700 cm d) around 1200 cm 2. What is the Grignard reagent in nucleophilic addition reaction considered? a) b) 0 c) H d) all the above 3. What a cynaohydrin contains? a) CN and NH. b) N, and OH. c) CN and OH....