Multiple Choice
Which of the following structures is not typically found in a gram-negative bacterial cell wall?
3. Acids and Bases
Organic Chemistry Reactions
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Which of the following statements describes the process of nucleophilic substitution in organic chemistry reactions?
A
A molecule is oxidized by losing electrons.
B
A molecule undergoes a rearrangement to form an isomer.
C
A molecule is split into two smaller molecules.
D
A nucleophile replaces a leaving group in a molecule.
Verified step by step guidance1
Understand the concept of nucleophilic substitution: In organic chemistry, nucleophilic substitution is a fundamental reaction where a nucleophile, which is an electron-rich species, replaces a leaving group in a molecule.
Identify the role of the nucleophile: The nucleophile is attracted to a positively charged or electron-deficient center in the molecule, typically a carbon atom bonded to a leaving group.
Recognize the leaving group: The leaving group is an atom or group of atoms that can depart with a pair of electrons, making room for the nucleophile to attach to the molecule.
Consider the reaction mechanism: Nucleophilic substitution can occur via different mechanisms, such as SN1 or SN2, depending on factors like the structure of the substrate and the nature of the nucleophile and leaving group.
Evaluate the given statements: Compare each statement with the definition of nucleophilic substitution. The correct statement is the one that describes the nucleophile replacing the leaving group in the molecule.
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