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Compound A (C6H11Br) when reacted with magnesium provides a carbon nucleophile, called compound B. Compound B...
Compound A (C6H11Br), when reacted with magnesium, provides a carbon nucleophile, called compound B. Compound B...
Compound A (C6H11Br), when reacted with magnesium, provides a
carbon nucleophile, called compound B. Compound B is then reacted
with 2-propanone followed by an acidic workup to give compound C
(C9H18O). When compound C reacts with H2SO4 an internal alkene is
formed, known as compound D (C9H16). What are the structures for
compounds A-D? Show your logic and reasoning.
2-Propanone
Road map: A, B, and C are cyclic alkyl halides with a molecular formula of C6H11Br....
Road map: A, B, and C are cyclic alkyl halides with a molecular formula of C6H11Br. Compound B reacts with Na+ - OCH3 in DMSO at room temperature to give the corresponding ether D. Compound C reacts with Na+ - OCH3 in DMSO to give a different ether E and cyclic trisubstituted alkene F. Compound B reacts much faster with Na+ -OCH3 in DMSO than compound C. Compound A does not give an ether when reacted with Na+ -OCH3 in...
3. When compound A is reacted with BH3•THF in a first step and basic hydrogen peroxide...
3. When compound A is reacted with BH3•THF in a first step and basic hydrogen peroxide in a second step 3-methyl-2-hexanol is obtained. When compound A is heated with acidic potassium permanganate two products (B and C) are obtained. When compound A is reacted with HBr a compound D is obtained. Draw the structures for compounds A, B, C and D. (40 points)
3) A compound that is composed of only carbon and hydrogen is known as a(n): A)...
3) A compound that is composed of only carbon and hydrogen is known as a(n): A) hydrocarbon B) isomer C) homolog D) carbohydrate 4) How many chiral carbon atoms are in this molecule? Он A) 0 B) 1 C) 3 D) 2 5) The compound CH3(CH2)4CH3 is called: A) heptane B) butane C) pentane D) hexane 6) What functional groups are present in the following structure? СHз-с"с-СH2ОН A) A ketone and an alkyne An aldehyde and a ketone B) An...
U3 xii. Draw the structure of the intermediate formed when an alkene undergoes epoxidation. If there...
U3 xii. Draw the structure of the intermediate formed when an alkene undergoes epoxidation. If there is no intermediate in the reaction, write none. 3. (26 points) In each of the problem below, provide the reagent(s)s or draw in the structure of the MAJOR product as indicated. For products, be sure stereochemistry is clearly shown when appropriate. If no reaction is expected state No Reaction or write NR. For reagent(s), more than I set may be needed. U3 - ?...
6 In Part C, which of the anta heartburn? Use the information you o which of the antacids you tested would b...
6 In Part C, which of the anta heartburn? Use the information you o which of the antacids you tested would be the most effective at neutralizing stomach acid to w a offerences in the effectiveness of the antacids you tested e the information you obtained from the antacid package labels to offer an explanation for the some antacids produce bubbles when they react with acids. The bubbles are carbon dioxide (CO) released by decomposition of carbonic acid (H.CO) produced...
just need (e) to (h) 5. Molecules with an-OH group directly bonded to a C-C sp...
just need (e) to (h)
5. Molecules with an-OH group directly bonded to a C-C sp hybridized carbon are called "enol"'s. The types of chemical reactions which enols undergo are substantially different from those of normal alcohols. By considering the Brensted-Lowry and Lewis acid/base reactivity of an enol, you can predict a few of these differences. (a) Ethenol, the simplest "enol", can react as a BL. base in three different places, by gaining a proton at either of the two...
Please answer all multiple choice All questions need to be answered! Questions 1-20 are multiple choice...
Please answer all multiple choice
All
questions need to be answered!
Questions 1-20 are multiple choice questions. Please mark the correct circle on the Scantron form. Only the Scantron form will be graded. Scantron must be filled in before time is called Which of the following acids is not a strong acid? 5 HI b. HBr to SEHNO, HF HESO. Venter 2. Which of the following is an example of an empirical formula: a Cs Ho HO LP Fea(SO) d)...
Please help with pre-lab questions. Pre-Lab Questions: 1. A sample of 2-butanol has a specific rotation...
Please help with pre-lab questions.
Pre-Lab Questions: 1. A sample of 2-butanol has a specific rotation of +3.25. Determine the optical purity (%ee) and percent composition of this sample (see Mohrig section 17.4). The specific rotation of pure (+)-2-butanol is +13.0°. 2. The equation for the formation of the diastereomeric salts is shown in the background information (performed in Part A of the procedure). Write this chemical equation in your notebook, then ALSO write a balanced equation for the formation...
The smallest chemical units of matter are atoms b) molecules c) protons d) neutrons e) electrons...
The smallest chemical units of matter are atoms b) molecules c) protons d) neutrons e) electrons . Which of the following would have the largest size? a) an atom b) a molecule c) a proton d) a neutron e) an electron 3. Isotopes of an element differ in the number of a) protons in the nucleus b) electrons in the nucleus © neutrons in the nucleus d) electron clouds e) energy levels they contain 4. VO The atomic number represents...
Compound A (C6H11Br), when reacted with magnesium, provides a
carbon nucleophile, called compound B. Compound B is then reacted
with 2-propanone followed by an acidic workup to give compound C
(C9H18O). When compound C reacts with H2SO4 an internal alkene is
formed, known as compound D (C9H16). What are the structures for
compounds A-D? Show your logic and reasoning.
2-Propanone
3. When compound A is reacted with BH3•THF in a first step and basic hydrogen peroxide in a second step 3-methyl-2-hexanol is obtained. When compound A is heated with acidic potassium permanganate two products (B and C) are obtained. When compound A is reacted with HBr a compound D is obtained. Draw the structures for compounds A, B, C and D. (40 points)
3) A compound that is composed of only carbon and hydrogen is known as a(n): A) hydrocarbon B) isomer C) homolog D) carbohydrate 4) How many chiral carbon atoms are in this molecule? Он A) 0 B) 1 C) 3 D) 2 5) The compound CH3(CH2)4CH3 is called: A) heptane B) butane C) pentane D) hexane 6) What functional groups are present in the following structure? СHз-с"с-СH2ОН A) A ketone and an alkyne An aldehyde and a ketone B) An...
U3 xii. Draw the structure of the intermediate formed when an alkene undergoes epoxidation. If there is no intermediate in the reaction, write none. 3. (26 points) In each of the problem below, provide the reagent(s)s or draw in the structure of the MAJOR product as indicated. For products, be sure stereochemistry is clearly shown when appropriate. If no reaction is expected state No Reaction or write NR. For reagent(s), more than I set may be needed. U3 - ?...
6 In Part C, which of the anta heartburn? Use the information you o which of the antacids you tested would be the most effective at neutralizing stomach acid to w a offerences in the effectiveness of the antacids you tested e the information you obtained from the antacid package labels to offer an explanation for the some antacids produce bubbles when they react with acids. The bubbles are carbon dioxide (CO) released by decomposition of carbonic acid (H.CO) produced...
just need (e) to (h)
5. Molecules with an-OH group directly bonded to a C-C sp hybridized carbon are called "enol"'s. The types of chemical reactions which enols undergo are substantially different from those of normal alcohols. By considering the Brensted-Lowry and Lewis acid/base reactivity of an enol, you can predict a few of these differences. (a) Ethenol, the simplest "enol", can react as a BL. base in three different places, by gaining a proton at either of the two...
Please answer all multiple choice
All
questions need to be answered!
Questions 1-20 are multiple choice questions. Please mark the correct circle on the Scantron form. Only the Scantron form will be graded. Scantron must be filled in before time is called Which of the following acids is not a strong acid? 5 HI b. HBr to SEHNO, HF HESO. Venter 2. Which of the following is an example of an empirical formula: a Cs Ho HO LP Fea(SO) d)...
Please help with pre-lab questions.
Pre-Lab Questions: 1. A sample of 2-butanol has a specific rotation of +3.25. Determine the optical purity (%ee) and percent composition of this sample (see Mohrig section 17.4). The specific rotation of pure (+)-2-butanol is +13.0°. 2. The equation for the formation of the diastereomeric salts is shown in the background information (performed in Part A of the procedure). Write this chemical equation in your notebook, then ALSO write a balanced equation for the formation...
The smallest chemical units of matter are atoms b) molecules c) protons d) neutrons e) electrons . Which of the following would have the largest size? a) an atom b) a molecule c) a proton d) a neutron e) an electron 3. Isotopes of an element differ in the number of a) protons in the nucleus b) electrons in the nucleus © neutrons in the nucleus d) electron clouds e) energy levels they contain 4. VO The atomic number represents...
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