4. Answer the following questions about oxidation and reduction. a. Consider the two transformations shown below. i) Calculate the oxidation number for each carbon atom that experiences changes in its bonds. ii) Then, determine whether an oxidation, reduction, or neither took place and iii) the number of electrons transferred. iv) Finally, provide the reagent(s) that are needed to produce the transformation shown. 人i- Он OH HO i. Nox(SM) = Nox(P) = i. Nox(SM) = Nox(P) = %3D ii. ii. iii. ii. iv. iv. b. Identify the electrophile and nucleophile in the reaction shown below and draw the arrow-pushing mechanism that explains the formation of the product. se 1. Li :CH3 2. Acidic workup OH c. Identify the electrophile and nucleophile in the reaction shown below and draw the arrow-pushing mechanism that explains the formation of the product. Why can two equivalents of LiCH3 be added in this reaction but not the reaction in part b? 1.2 eq. Li :CH3 2. Acidic workup OH HOET CH3 OEt

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Chapter1: Chemical Foundations
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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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4. Answer the following questions about oxidation and reduction.
a. Consider the two transformations shown below. i) Calculate the oxidation number for
each carbon atom that experiences changes in its bonds. ii) Then, determine whether an
oxidation, reduction, or neither took place and iii) the number of electrons transferred.
iv) Finally, provide the reagent(s) that are needed to produce the transformation shown.
人从-人
OH
OH
HO
i. Nox(SM) =
Nox(P) =
i. Nox(SM) =
Nox(P) =
%3D
%3D
ii.
ii.
111.
iii.
iv.
iv.
b. Identify the electrophile and nucleophile in the reaction shown below and draw the
arrow-pushing mechanism that explains the formation of the product.
1. Li :CH3
2. Acidic workup
OH
c. Identify the electrophile and nucleophile in the reaction shown below and draw the
arrow-pushing mechanism that explains the formation of the product. Why can two
equivalents of LICH; be added in this reaction but not the reaction in part b?
1. 2 eq. Li :CH3
2. Acidic workup
OH
HOET
OEt
CH3
H3C
Transcribed Image Text:4. Answer the following questions about oxidation and reduction. a. Consider the two transformations shown below. i) Calculate the oxidation number for each carbon atom that experiences changes in its bonds. ii) Then, determine whether an oxidation, reduction, or neither took place and iii) the number of electrons transferred. iv) Finally, provide the reagent(s) that are needed to produce the transformation shown. 人从-人 OH OH HO i. Nox(SM) = Nox(P) = i. Nox(SM) = Nox(P) = %3D %3D ii. ii. 111. iii. iv. iv. b. Identify the electrophile and nucleophile in the reaction shown below and draw the arrow-pushing mechanism that explains the formation of the product. 1. Li :CH3 2. Acidic workup OH c. Identify the electrophile and nucleophile in the reaction shown below and draw the arrow-pushing mechanism that explains the formation of the product. Why can two equivalents of LICH; be added in this reaction but not the reaction in part b? 1. 2 eq. Li :CH3 2. Acidic workup OH HOET OEt CH3 H3C
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