Problem 1 Claim: What functional group is attached to the acetic acid? Write your answer in one (1) sentence only. Evidence: To prove your claim, write or draw the functional group. Reasoning: How do functional groups affect chemical properties of a molecule? Support your answer in 3-5 sentences only. Problem 2 Claim: What type of orbitals are present in the electron configuration of the element mentioned in the article? Write your answer in one (1) sentence only. Evidence: To prove your claim, write the noble gas configuration of the element. Reasoning: To prove your claim and evidence, In 2-3 sentences explain what principle was used in filling up the energy levels in a predictable manner?
Basics in Organic Reactions Mechanisms
In organic chemistry, the mechanism of an organic reaction is defined as a complete step-by-step explanation of how a reaction of organic compounds happens. A completely detailed mechanism would relate the first structure of the reactants with the last structure of the products and would represent changes in structure and energy all through the reaction step.
Heterolytic Bond Breaking
Heterolytic bond breaking is also known as heterolysis or heterolytic fission or ionic fission. It is defined as breaking of a covalent bond between two different atoms in which one atom gains both of the shared pair of electrons. The atom that gains both electrons is more electronegative than the other atom in covalent bond. The energy needed for heterolytic fission is called as heterolytic bond dissociation energy.
Polar Aprotic Solvent
Solvents that are chemically polar in nature and are not capable of hydrogen bonding (implying that a hydrogen atom directly linked with an electronegative atom is not found) are referred to as polar aprotic solvents. Some commonly used polar aprotic solvents are acetone, DMF, acetonitrile, DMSO, etc.
Oxygen Nucleophiles
Oxygen being an electron rich species with a lone pair electron, can act as a good nucleophile. Typically, oxygen nucleophiles can be found in these compounds- water, hydroxides and alcohols.
Carbon Nucleophiles
We are aware that carbon belongs to group IV and hence does not possess any lone pair of electrons. Implying that neutral carbon is not a nucleophile then how is carbon going to be nucleophilic? The answer to this is that when a carbon atom is attached to a metal (can be seen in the case of organometallic compounds), the metal atom develops a partial positive charge and carbon develops a partial negative charge, hence making carbon nucleophilic.
problem 1
![Problem 1
Claim: What functional group is attached to the acetic acid? Write your answer in one (1)
sentence only.
Evidence: To prove your claim, write or draw the functional group.
Reasoning: How do functional groups affect chemical properties of a molecule? Support your
answer in 3-5 sentences only.
Problem 2
Claim: What type of orbitals are present in the electron configuration of the element mentioned
in the article? Write your answer in one (1) sentence only.
Evidence: To prove your claim, write the noble gas configuration of the element.
Reasoning: To prove your claim and evidence, In 2-3 sentences explain what principle was used
in filling up the energy levels in a predictable manner?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Ff938bc30-5582-4b50-acbc-2ca9e73dec05%2F0401b16c-9909-4e28-a078-e7758d3daa2d%2F2ill0ge_processed.jpeg&w=3840&q=75)
![CULMINATING ASSESSMENT
GENERAL DIRECTIONS:
1. Read and analyze each item very carefully.
2. Read the scoring rubrics provided before answering.
3. Maximize the space provided for your solutions/answers.
4. Follow the number of sentences required in every question.
Unable to follow the right sentences would mean a
deduction of points.
Problem/Situation 1:
Acetic Acid (CH;COOH)
Acetic acid is an organic compound with the formula CH,COOH. It is a carboxylic acid
consisting of a methyl group that is attached to a carboxyl functional group. The systematic
IUPAC name of acetic acid is ethanoic acid and its chemical formula can also be written as
C,H,O, Vinegar is a solution of acetic acid in water and contains between 5% to 20% ethanoic
acid by volume. The pungent smell and the sour taste are the characteristics of the acetic acid
present in it.
H.
Н-С-С
H.
OH
Figure 1.0 Structure of acetic acid
Acetic acid is produced industrially via the carbonylation of methanol. The chemical equations
for the three steps involved in this process are provided below.
CH,OH (methanol) + HI (hydrogen iodide) →
H,O
CH;I (methyl iodide intermediate) +
• CH;I
• CH,COI + H,0 → CH,COOH (acetic acid) + HI
+ CO (carbon monoxide)
CH;COI (acetyl iodide)
Note: An Intermediate is a molecular entity that is formed from the reactants (or preceding
intermediates) and reacts further to give the directly observed products of a chemical reaction.
Ethanoic acid is a very important organic compound in the day-to-day lives of humans. Some
important uses of acetic acid are listed below.
• Acetic acid is used as an antiseptic due to its antibacterial qualities
• The manufacture of rayon fibre involves the use of ethanoic acid.
Medically, acetic acid has been employed to treat cancer by its direct injection into the
tumour.
• The manufacture of rubber involves the use of ethanoic acid. It is also used in the
manufacture of various perfumes.
• Being the major constituent of vinegar, it finds use in the pickling of many vegetables.
Reference: Admin. (2020, October 6). Acetic Acid - Structure, Properties, and Uses of
CH3COOH. BYJUS. https://byjus.com/chemistry/acetic-acid/.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Ff938bc30-5582-4b50-acbc-2ca9e73dec05%2F0401b16c-9909-4e28-a078-e7758d3daa2d%2Fhtzquav_processed.jpeg&w=3840&q=75)
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