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20. Use the following molecules to fill in the blank for the sentence. ОН А B...
Organic Chemistry 4. Below are two molecules, B and C. Explain the differences in pKa of the two molecules by drawing the conjugate base of molecule C and a resonance structure that would not be found in molecule B. Hint: Draw out the NO2 group. conjugate base of molecule C pKa- 29.5 molecule B NO2 pka= 8.6 molecule C 5. Below is the molecule Abilify, which is a top selling drug that is used to treat schizophrenia, bipolar disorder and...
please help The following table, used for question 16, is partially complete: (ОН) pH 2.68 pОН ener 8.4 x 10 euen 16. (3 points) Fill in the six empty cells in the table. The following table, used for questions 2-8, is partially complete: Ka 1.8 x 10 pka Conj. Base formula pKb Acid Formula CH3COOH HOBI HNO2 5.40 3.14 2.2 x 10 Sec 17. (6 points) Fill in the twelve empty cells of the table above. 18. What is the...
1) Name the following carboxylic acids (use both IUPAC and common names): ОН ОН (b) (c) ОН ОН (d) Br ОН ОН NH2 2) Draw the condensed and line structures for the following compounds (a) 3,4-dimethylhexanoic acid (b) Phenylacetic acid (c) 3,4-dinitrobenzoic acid (d) 2,2,3-triflurobutanoic acid (e) 3-hydroxybutanoic acid (1) o-hydroxybenzoic acid (g) a-aminopropionic acid 3) Name the following dicarboxylic acids (use both IUPAC and common names) Он (а) НО ОН НО. (b) он ОН ОН (d) ОН он ОН...
For each pair of species, predict which is the stronger base? 5. Он or 2. or HH 1. NH NH (b) 6. Rank the following from most stable to least stable. 4. 1. 2. 3. Н-с H H Н.с H -H H CH3 CH,сн, CH,сH CH,CH H 7. Which cation would be the most stable? А. В. C. D. What is the order of increasing contribution to the resonance hybrid? 8. CF3 Lnkentn CF3 CF3 Ш II I
uestion 2 Rank these molecules in order of decreasing acidity [that is, most acidic first.] 1. CHCHCO2Н 2. CH-CHCO,н F 3. CH-CН-СО,Н 2 3 1 2> 1> 3 1> 2 3 3> 2 11 O 1>3> 2 Question 3 Which compound is the most acidic? Cl CI C Question 5 Which of the following molecules is the product of an aldol reaction? ОН HO HO IV ОН and IV Question 11 Which of the following contains an amide functional group?...
Draw a skeletal structure for each of the following molecules. a. CH3CH(CH2CH2CH3)CH2CH3 Edit b. CH3C(CH2CH3)2CH(CH3)CH3 Name each molecule. Draw the conjugate base of each carboxylic acid. Get help answering Molecular Drawing questions. a. 3-methylhexanoic acid Edit Get help answering Molecular Drawing questions. b. formic acid Edit Get help answering Molecular Drawing questions. c. 3,5-dibromobenzoic acid Edit
21) Consider the following structures I-IV. Circle the two species that represent resor sonance structures H. O: :0: H .H N. N: 22) Circle the base and the conjugate base in the following reaction но CH,COO CH COOH HO IV ш II Chapter 3 particular molecule? 23) Why do z bonds confer reactivity on a A) Because n bonds are diffficult to break in chemical reactions. B) Because z bonds make a molecule an acid. C) Because z bonds are...
Identify functional groups of the above molecules using the table given. Identify the functional groups in the following molecules. (Use names from the table below. List each class of functional group only once. If there are fewer than 3 functional groups, lcave an appropriate number of answer boxes empty.) OH а) NH2 phenylalanine Cн-он b) NHCH Structures of Some Common Functional Groups Name Structure Name Structure X Alkene Nitro Alkyne C C Thiol Aldehyde Arene Halide Ketone (XF, CI, Br,...
(b) The amino acid lysine has the following values of pK : PK1 =2.2, pK2 = 8.9, PKR = 10.5 (the pK, of the amino group in the side chain). At pH 7 it has the structure shown below (6). Draw the structure that you would expect for lysine at pH 9.7, indicating the charges as appropriate. HZN 0 HINA (2 marks) (c) Phenol (C6H5OH) and 2,4,6-trichlorophenol (C6H2C13OH) are both weak acids with pK, values of 9.89 and 6.21, respectively,...
please answer part (ii) (b) The amino acid lysine has the following values of pK : PK1 =2.2, pK2 = 8.9, PKR = 10.5 (the pK, of the amino group in the side chain). At pH 7 it has the structure shown below (6). Draw the structure that you would expect for lysine at pH 9.7, indicating the charges as appropriate. HZN 0 HINA (2 marks) (c) Phenol (C6H5OH) and 2,4,6-trichlorophenol (C6H2C13OH) are both weak acids with pK, values of...