Bio1332 Biochemistry - Lecture Seven - Structures, Functional Groups, Isomers

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1. What is the structural formula?

The actual arrangement of atoms in a molecule

The types of atoms in a molecule

The number of atoms in a molecule

The structural formula refers to the actual arrangement of atoms in a molecule. It provides a visual representation of how the atoms are bonded together and the spatial arrangement of the molecule. This is different from the types of atoms in a molecule, which refers to the elements present, and the number of atoms in a molecule, which refers to the count of each type of atom. The structural formula provides more detailed information about the molecular structure.

Explanation

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Bio1332 Biochemistry - Lecture Seven - Structures, Functional Groups, Isomers - Quiz

Explore the essentials of molecular structures in BIO1332 Biochemistry. This quiz assesses understanding of structural formulas, functional groups, and isomers, focusing on atom arrangements and chemical bonding, crucial for mastering advanced biochemistry concepts.

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2. Complete the following sentence:_______ are compounds than can have the same molecular formula but be arranged in different ways (have different structural formulas).

Isomers are compounds that can have the same molecular formula but be arranged in different ways, known as different structural formulas. This means that they have the same number and types of atoms, but the atoms are arranged differently within the molecule. Structural isomers specifically refer to isomers that differ in the connectivity of their atoms, resulting in different structural formulas.

Explanation

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3. Match the following

Alkenes

Alkynes

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4. True or False?Compounds may have the same structural formula but different molecular formula.

True

False

Compounds may have the same molecular formula but different structural formula.
They can have the same numbers of the same molecules, but arranged in different ways.

Explanation

Compounds may have the same molecular formula but different structural formula.
They can have the same numbers of the same molecules, but arranged in different ways.

5. In structural formulae, what do the following represent?

A 'corner' or end of a line

A line

Lines on top of one another

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6. Match the following

Straight line

Wedge

Dashed line

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7. Match the following

Optical isomers

Geometric isomers

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8. Complete the following sentence:_______ have the same molecular formula and sequence of bonded atoms, but their atoms are arranged differently in three-dimensional space.

Stereoisomers are compounds that have the same molecular formula and sequence of bonded atoms, but their atoms are arranged differently in three-dimensional space. This means that they have the same number and types of atoms, but they differ in how these atoms are arranged in space. This arrangement can result in different physical and chemical properties for stereoisomers, even though they have the same chemical formula.

Explanation

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9. Match the following

Methine

Methylene

Methyl