Skip to main content
Ch. 3 - Alkanes and Cycloalkanes: Properties and Conformational Analysis
Mullins - Organic Chemistry: A Learner Centered Approach 1st Edition
Mullins1st EditionOrganic Chemistry: A Learner Centered ApproachISBN: 9780137566471Not the one you use?Change textbook
All textbooksMullins 1st EditionCh. 3 - Alkanes and Cycloalkanes: Properties and Conformational AnalysisProblem 75a
Chapter 2, Problem 75a

Identify the functional groups in each of the following molecules. [The number of functional groups has been given to assist you.]
(a) [Three]
Chemical structure of a benzene ring with an amine (NH2) and a carbonyl (O) functional group.

Verified step by step guidance
1
Step 1: Understand the concept of functional groups. Functional groups are specific groups of atoms within molecules that are responsible for the characteristic chemical reactions of those molecules. Examples include hydroxyl (-OH), carbonyl (>C=O), carboxyl (-COOH), amino (-NH2), and others.
Step 2: Examine the molecular structure provided in part (a). Look for distinct regions in the molecule where specific atoms or groups of atoms are arranged in a way that matches known functional groups.
Step 3: Identify the first functional group by locating a specific arrangement of atoms, such as a hydroxyl group (-OH), carbonyl group (>C=O), or any other recognizable functional group.
Step 4: Continue analyzing the molecule to identify the second functional group. Pay attention to different parts of the molecule that may contain unique arrangements of atoms indicative of another functional group.
Step 5: Locate the third functional group by carefully inspecting the remaining parts of the molecule. Ensure that you do not overlook any functional groups that may be present in less obvious locations, such as within rings or chains.

Verified video answer for a similar problem:

This video solution was recommended by our tutors as helpful for the problem above.
Video duration:
3m
Was this helpful?

Key Concepts

Here are the essential concepts you must grasp in order to answer the question correctly.

Functional Groups

Functional groups are specific groups of atoms within molecules that are responsible for the characteristic chemical reactions of those molecules. They determine the properties and reactivity of organic compounds. Common functional groups include hydroxyl (-OH), carboxyl (-COOH), and amino (-NH2), each imparting distinct behaviors to the molecules they are part of.
Recommended video:
Guided course
02:36
Identifying Functional Groups

Identification of Functional Groups

Identifying functional groups involves recognizing specific atom arrangements and bonds within a molecule. This process often requires knowledge of molecular structures and the ability to interpret chemical formulas. Techniques such as spectroscopy or chemical reactivity tests can also aid in identifying these groups, which is crucial for predicting the behavior of the compound in chemical reactions.
Recommended video:
Guided course
02:36
Identifying Functional Groups

Molecular Structure

Molecular structure refers to the three-dimensional arrangement of atoms in a molecule, including the types of bonds and the spatial orientation of functional groups. Understanding molecular structure is essential for predicting how a molecule will interact with others, its stability, and its reactivity. Visualization tools like Lewis structures or molecular models can help in grasping these concepts.
Recommended video:
Guided course
08:41
Review of Molecular Orbitals
Related Practice
Textbook Question

Ionic compounds like sodium acetate have a high melting point. Despite this, they are highly soluble in water. Why?

1
views
Textbook Question

Identify the mistakes contained within the following structures.

(a)

1
views
Textbook Question

Identify the functional groups in each of the following molecules. [The number of functional groups has been given to assist you.]

(d) [Two]

1
views
Textbook Question

Despite methylcyclohexane (98.2 amu) having a higher molecular weight than toluene (92.1 amu), toluene melts at a higher temperature. Why? [Think about how the molecules can interact with each other based on their shape.]

1
views
Textbook Question

Identify the functional groups in each of the following molecules. [The number of functional groups has been given to assist you.]

(b) [Two]

1
views
Textbook Question

Identify the functional groups in each of the following molecules. [The number of functional groups has been given to assist you.]

(c) [Three]

5
views