Concept explainers
Draw the products formed when
a.
b.
c.
d.
e.
f.
g.
h.
(a)
Interpretation: The product that is formed by the reaction of
Concept introduction: The addition of an electrophile to an alkyne is followed by Markovnikoff’s rule and anti-stereoselectivity.
The addition of a halogen to an alkyne chain leads to the formation of corresponding alkene or alkane. The reaction which includes the addition of bromine atoms to the alkyne chain is known as bromination. Bromination can be done by using the reagents like
Answer to Problem 11.33P
The product that is formed by the reaction of
Explanation of Solution
The reaction of
Figure 1
The reaction of
The product that is formed by the reaction of
(b)
Interpretation: The product that is formed by the reaction of
Concept introduction: The addition of an electrophile to an alkyne is followed by Markovnikoff’s rule and anti-stereoselectivity.
The addition of a halogen to an alkyne chain leads to the formation of corresponding alkene or alkane. The reaction which includes the addition of bromine atoms to the alkyne chain is known as bromination. Bromination can be done by using the reagents like
Answer to Problem 11.33P
The product that is formed by the reaction of
Explanation of Solution
The reaction of
Figure 2
The reaction of
The product that is formed by the reaction of
(c)
Interpretation: The product that is formed by the reaction of
Concept introduction: The addition of an electrophile to an alkyne is followed by Markovnikoff’s rule and anti-stereoselectivity.
The addition of a halogen to an alkyne chain leads to the formation of corresponding alkene or alkane. The reaction which includes the addition of bromine atoms to the alkyne chain is known as bromination. Bromination can be done by using the reagents like
Answer to Problem 11.33P
The product that is formed by the reaction of
Explanation of Solution
The reaction of
Figure 3
The reaction of
The product that is formed by the reaction of
(d)
Interpretation: The product that is formed by the reaction of
Concept introduction: A terminal alkyne reacts with
The chemical equilibrium that exists between a keto form of a compound and an enol form of the same compound is known as keto-enol tautomerism. Tautomers refer to these keto and enol forms.
Answer to Problem 11.33P
The product that is formed by the reaction of
Explanation of Solution
The reaction of
Figure 4
The reaction of
Then, the enol form,
Figure 5
Thus, the keto-enol tautomerization of
The product that is formed by the reaction of
(e)
Interpretation: The product that is formed by the reaction of
Concept introduction: A stepwise procedure of transforming an alkyne into a carbonyl group is known hydroboration-oxidation reaction. In a hydroboration-oxidation reaction, a terminal alkyne reacts with
Answer to Problem 11.33P
The product that is formed by the reaction of
Explanation of Solution
The reaction of
Figure 6
The reaction of
Then, the reaction of alkenylborane with
Figure 7
Thus, the reaction of alkenylborane with
In the last step,
Figure 8
Thus, the tautomerization of
The product that is formed by the reaction of
(f)
Interpretation: The product that is formed by the reaction of
Concept introduction: The replacement or substitution of one functional group with another different functional group in any chemical reaction is termed as substitution reaction. The nucleophilic reaction that consists of bimolecular as well as bond-making and bond-breaking steps is termed as
Answer to Problem 11.33P
The product that is formed by the reaction of
Explanation of Solution
The reaction of
Figure 9
The reaction of
(a) The product that is formed by the reaction of
(g)
Interpretation: The product that is formed by the reaction of
Concept introduction: The replacement or substitution of one functional group with another different functional group in any chemical reaction is termed as substitution reaction. The nucleophilic reaction that consists of bimolecular as well as bond-making and bond-breaking steps is termed as
Answer to Problem 11.33P
The product that is formed by the reaction of
Explanation of Solution
The reaction of
Figure 10
The reaction of
Then, the reaction of
Figure 11
Thus, in the above reaction,
The product that is formed by the reaction of
(h)
Interpretation: The product that is formed by the reaction of
Concept introduction: The replacement or substitution of one functional group with another different functional group in any chemical reaction is termed as substitution reaction. The nucleophilic reaction that consists of bimolecular as well as bond-making and bond-breaking steps is termed as
Answer to Problem 11.33P
The product that is formed by the reaction of
Explanation of Solution
The reaction of
Figure 12
The reaction of
Then, the reaction of
Figure 13
Thus, in the above reaction,
Then, the reaction of
Figure 14
Thus, in the above reaction,
The product that is formed by the reaction of
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