a. Which of the following mechanistic steps makes the most sense given the structures and charges shown (answer a, b, c, d, e, or f)? : CH3 b. -Br : CH3 a. CH₂ -Br: -De C. -Br: ** CH3 f. e. :o CH₂ b. For the correct mechanistic step above, what 'type' of reaction does it represent (i.e. addition, substitution, elimination, rearrangement, or more than one type)? c. One of the reactants above is the molecule: CH3. Does this reactant represent the nucleophile (Nu) or the electrophile (E) in the correct mechanistic step (answer with Nu or E)? d. :0 :0 -Br Br: LOCH₂

Macroscale and Microscale Organic Experiments
7th Edition
ISBN:9781305577190
Author:Kenneth L. Williamson, Katherine M. Masters
Publisher:Kenneth L. Williamson, Katherine M. Masters
Chapter58: The Synthesis Of An Alkyne From An Alkene By Bromination And Dehydrobromination: Stilbene And Diphenylacetylene
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a. Which of the following mechanistic steps makes the most sense given the structures and charges shown (answer a, b, c, d,
e, or f)?
: CH3
:Ö
O
: CH3
b. :0
Br:
O
: CH3
f.
e. :0
Ⓒ
Br:
: CH3
b. For the correct mechanistic step above, what 'type' of reaction does it represent (i.e. addition, substitution, elimination,
rearrangement, or more than one type)?
c. One of the reactants above is the molecule: CH3. Does this reactant represent the nucleophile (Nu) or the electrophile (E) in
the correct mechanistic step (answer with Nu or E)?
d. As we know, most organic reactions can be described as acid/base reactions. Is this reaction best described as a Bronsted-
Lowry (BL) or Lewis (Lewis) acid/base reaction (answer with either BL or Lewis)?
a.
C.
:0
: CH3
Br:
d.
SO:
:0
Br:
-Bri
: CH3
Br:
Transcribed Image Text:a. Which of the following mechanistic steps makes the most sense given the structures and charges shown (answer a, b, c, d, e, or f)? : CH3 :Ö O : CH3 b. :0 Br: O : CH3 f. e. :0 Ⓒ Br: : CH3 b. For the correct mechanistic step above, what 'type' of reaction does it represent (i.e. addition, substitution, elimination, rearrangement, or more than one type)? c. One of the reactants above is the molecule: CH3. Does this reactant represent the nucleophile (Nu) or the electrophile (E) in the correct mechanistic step (answer with Nu or E)? d. As we know, most organic reactions can be described as acid/base reactions. Is this reaction best described as a Bronsted- Lowry (BL) or Lewis (Lewis) acid/base reaction (answer with either BL or Lewis)? a. C. :0 : CH3 Br: d. SO: :0 Br: -Bri : CH3 Br:
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