(a) Interpretation: The pH value for the given condition needs to be determined. Concept introduction: The scale is used to determine the acidity and basic nature of a water-based solution. Lower pH is observed in acidic solution while basic solutions contain a higher pH value. For example: The nature of pure water at room temperature ( 25°C or 77°F ) is neither basic nor acidic. The pH value of pure water is 7 .
(a) Interpretation: The pH value for the given condition needs to be determined. Concept introduction: The scale is used to determine the acidity and basic nature of a water-based solution. Lower pH is observed in acidic solution while basic solutions contain a higher pH value. For example: The nature of pure water at room temperature ( 25°C or 77°F ) is neither basic nor acidic. The pH value of pure water is 7 .
The pH value for the given condition needs to be determined.
Concept introduction:
The scale is used to determine the acidity and basic nature of a water-based solution. Lower pH is observed in acidic solution while basic solutions contain a higher pH value.
For example:
The nature of pure water at room temperature (25°C or 77°F) is neither basic nor acidic. The pH value of pure water is 7.
Interpretation Introduction
(b)
Interpretation:
The pH value for the given condition needs to be determined.
Concept introduction:
The scale is used to determine the acidity and basic nature of a water-based solution. Lower pH is observed in acidic solution while basic solutions contain a higher pH value.
For example:
The nature of pure water at room temperature (25°C or 77°F) is neither basic nor acidic. The pH value of pure water is 7.
Interpretation Introduction
(c)
Interpretation:
The pH value for the given condition needs to be determined.
Concept introduction:
The scale is used to determine the acidity and basic nature of a water-based solution. Lower pH is observed in acidic solution while basic solutions contain a higher pH value.
For example:
The nature of pure water at room temperature (25°C or 77°F) is neither basic nor acidic. The pH value of pure water is 7.
Interpretation Introduction
(d)
Interpretation:
The pH value for the given condition needs to be determined.
Concept introduction:
The scale is used to determine the acidity and basic nature of a water-based solution. Lower pH is observed in acidic solution while basic solutions contain a higher pH value.
For example:
The nature of pure water at room temperature (25°C or 77°F) is neither basic nor acidic. The pH value of pure water is 7.
Predict the major organic product(s) of the following reactions. Indicate which of the following mechanisms is in operation: SN1, SN2, E1, or E2.
(c)
(4pts)
Mechanism:
heat
(E1)
CH3OH
+
1.5pts each
_E1 _ (1pt)
Br
CH3OH
(d)
(4pts)
Mechanism:
SN1
(1pt)
(e)
(3pts)
1111 I
H
10
Ill!!
H
LDA
THF (solvent)
Mechanism: E2
(1pt)
NC
(f)
Bri!!!!!
CH3
NaCN
(3pts)
acetone
Mechanism: SN2
(1pt)
(SN1)
-OCH3
OCH3
1.5pts each
2pts for either product
1pt if incorrect
stereochemistry
H
Br
(g)
“,、
(3pts)
H
CH3OH
+21
Mechanism:
SN2
(1pt)
H
CH3
2pts
1pt if incorrect
stereochemistry
H
2pts
1pt if incorrect
stereochemistry
A mixture of butyl acrylate and 4'-chloropropiophenone has been taken for proton NMR analysis. Based on this proton NMR, determine the relative percentage of each compound in the mixture
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