(a)
Interpretation:
The given reaction equation should be completed.
Concept introduction:
Depending on the number of carbon side chain of the nitrogen, different types of amines can form.
Reaction of amines and acid will give amine salt an (ammonium ion).
(b)
Interpretation:
The given reaction equation should be completed.
Concept introduction:
Amines are the derivatives of ammonia
Depending on the number of carbon side chain of the nitrogen, different types of amines can form.
Reaction of amines and acid will give amine salt an (ammonium ion).
Treating an amine salt with a strong base regenerates the “parent” amine.
(c)
Interpretation:
The given reaction equation should be completed.
Concept introduction:
Amines are the derivatives of ammonia
Depending on the number of carbon side chain of the nitrogen, different types of amines can form.
Reaction of amines and acid will give amine salt an (ammonium ion).
Amine are weak bases (proton
Want to see the full answer?
Check out a sample textbook solutionChapter 16 Solutions
Pearson eText Fundamentals of General, Organic, and Biological Chemistry -- Instant Access (Pearson+)
- Draw two different possible hydrogen-bonding interactions between two molecules of formamide (HCONH2). Clearly label the hydrogen-bond donor and acceptor atoms. Which of these two possible hydrogen-bonding interactions is more likely to occur? (Hint: Consider resonance structures for formamide.)arrow_forwardWhich of the following define the stereochemistry of alanine (as per the structure shown)? Note: Functional groups arranged horizontally are facing towards the front, and the functional groups arranged vertically are facing towards the back. СООН + H₂N to OS- Od- CH, OR-arrow_forwardThe structure of chitosan, a polymer used to eliminate protein clumps that create wine haze in white wine, is shown below. The amine functional group on chitosan has a pka of 6.5 in its conjugate acid form. What is the charge state of the amine group of chitosan in wine with a pH of 3.6, given the following acid-base reaction, where chitosan is abbreviated as R? (If you need it, the Henderson-Hasselbach connection is also provided.) [RNH2] [RNH;] NH2 RNH2 + H20 2 RNH + 0H- pH = pKa+ log OH n a) At pH 3.6, it is negatively charged; b) At pH 3.6, it is positively charged; c) At pH 3.6, it is both positively and negatively charged; d) At pH 3.6, it is neutral.arrow_forward
- Draw a structure for the compound, C3H5Br, that fits the following 1H NMR data: δ 2.32 (3H, singlet) δ 5.35 (1H, broad singlet) δ 5.54 (1H, broad singlet)arrow_forwardDraw dipeptide Arg-Thr at pH 6.0. Circle the six atoms that are restricted in one plane. Calculate its approximate pI assuming pKa for NH3+ is 10.0, pKa for COOH is 3.0, PKR for Arg is 12.0arrow_forwardDraw structural formulas for all of the following. Q.) Alcohols with the molecular formula C4H10Oarrow_forward
- Identify the acid on the left and its conjugate base on the right in the following equations:(a) HOCl + H2O ↔ H3O+ + OCl-(b) HONH2 + H2O ↔ HONH3+ + OH-(c) NH4+ + H2O ↔ NH3 + H3O+(d) 2HCO3-2 ↔ H2CO3 + CO3-2 (e) PO4-3 + H2PO4- ↔ 2HPO4-2arrow_forwardDraw the structures and indicate the net charge of the following amino acids for each pH value. Encircle the structure of the zwitterion and calculate for the pI. 1. Tyr (at pH: 1.5, 7.0, 9.5, and 11.0)2. Ser (at pH: 1.5, 7.0, and 9.5)arrow_forwardUsing the picture provided, match the correct name of each of the functional groups highlighted in blue.arrow_forward
- Predict the missing reactant of this biochemical reaction: X + Pi P-O + H₂O That is, in the drawing area below, draw the chemical structure of the reactant molecule X. Note for advanced students: you can assume any necessary small-molecule reactants, like water, are available. Click and drag to start drawing a structure. X :0 Śarrow_forwardIn the following monosaccharide hemiacetal, identify the anomeric carbon atom. Identify the appropriate atom by selecting an atom and assigning it a map number of 1. To do this, rigl mark to enable the Map field before entering a value. H: 122 EXP" CONT. 0 0 H но OH S Br OH [1] ÓH P. -arrow_forwardThe ionization of p-nitrophenol is shown below (pKa = 7.0): a. Identify the weak acid and conjugate base. b. At pH 7, what are the relative concentrations of ionized and un-ionized p-nitrophenol? c. If enough concentrated hydrochloric acid is added to a solution of p-nitrophenol to lower the pH from 7 to 5, what will happen to the relative concentrations of the ionized and un-ionized forms? d. Ionized p-nitrophenol has a yellow color, while the un-ionized form is colorless. The yellow color can be measured using a spectrophotometer at 400nm. In order to determine the total amount of p-nitrophenol in a solution, would you perform the spectrophotometer reading at an acidic or basic pH? Clearly explain why? e. A solution of p-nitrophenol at pH 7.95 was found to have an A400 of 0.255 . What is the total concentration (in µM) of p-nitrophenol (ionized plus un-ionized) in the solution? The molar extinction coefficient of p-nitrophenol is 18,500 M-1cm-1 and the pKa is 7.arrow_forward
- BiochemistryBiochemistryISBN:9781319114671Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.Publisher:W. H. FreemanLehninger Principles of BiochemistryBiochemistryISBN:9781464126116Author:David L. Nelson, Michael M. CoxPublisher:W. H. FreemanFundamentals of Biochemistry: Life at the Molecul...BiochemistryISBN:9781118918401Author:Donald Voet, Judith G. Voet, Charlotte W. PrattPublisher:WILEY
- BiochemistryBiochemistryISBN:9781305961135Author:Mary K. Campbell, Shawn O. Farrell, Owen M. McDougalPublisher:Cengage LearningBiochemistryBiochemistryISBN:9781305577206Author:Reginald H. Garrett, Charles M. GrishamPublisher:Cengage LearningFundamentals of General, Organic, and Biological ...BiochemistryISBN:9780134015187Author:John E. McMurry, David S. Ballantine, Carl A. Hoeger, Virginia E. PetersonPublisher:PEARSON