(a) Interpretation: The structure from the given IUPAC name is to be drawn. Concept introduction: The last part of the IUPAC name represents the parent chain which is the longest continuous carbon chain. The names of all substituents appear as prefixes before the root, and they appear alphabetically according to the substituent’s name. If there is just one of a particular substituent, the locator number appears immediately to the left of the substituent it describes. The prefixes, ‘di, tri.... ’ suggest the number of substituents present along the parent chain. The locator numbers of substituents represent the carbon atoms in the parent chain to which the substituents are attached. A parenthesis represents a branched alkane substituent, while the number just before the parenthesis denotes the point of attachment of the branched alkyl substituent to the parent chain.

Question

Use the Henderson-Hasselbalch equation to calculate pH of a buffer containing 0.050M benzoic acidand 0.150M sodium benzoate. The Ka of benzoic acid is 6.5 x 10-5

Answer 1

Question

Chapter A, Problem A.8P

Interpretation Introduction

(a)

Interpretation:

The structure from the given IUPAC name is to be drawn.

Concept introduction:

The last part of the IUPAC name represents the parent chain which is the longest continuous carbon chain. The names of all substituents appear as prefixes before the root, and they appear alphabetically according to the substituent’s name. If there is just one of a particular substituent, the locator number appears immediately to the left of the substituent it describes. The prefixes, ‘di, tri.... ’ suggest the number of substituents present along the parent chain. The locator numbers of substituents represent the carbon atoms in the parent chain to which the substituents are attached. A parenthesis represents a branched alkane substituent, while the number just before the parenthesis denotes the point of attachment of the branched alkyl substituent to the parent chain.

Interpretation Introduction

(b)

Interpretation:

The structure from the given IUPAC name is to be drawn.

Concept introduction:

The last part of the IUPAC name represents the parent chain which is the longest continuous carbon chain. The names of all substituents appear as prefixes before the root, and they appear alphabetically according to the substituent’s name. If there is just one of a particular substituent, the locator number appears immediately to the left of the substituent it describes. The prefixes, ‘di, tri’ suggest the number of substituents present along the parent chain. The locator numbers of substituents represent the carbon atoms in the parent chain to which the substituents are attached. A parenthesis represents a branched alkane substituent, while the number just before the parenthesis denotes the point of attachment of the branched alkyl substituent to the parent chain.

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