
Concept explainers
What is the major product obtained from the reaction of each of the following compounds with excess HCl?
- a. CH3CH2C≡CH
- b. CH3CH2C≡CCH2CH3
- c. CH3CH2C≡CCH2CH2CH3
(a)

Interpretation:
The major product obtained from the reaction of given compound with excess of
Concept Introduction:
Addition of halides to alkynes: Halogens like chlorine and bromine adds to the alkyne compounds. The general form of the reaction is given below.
If excess halides are present, a second addition reaction also occurs.
Answer to Problem 27P
The major product obtained from the reaction of given compound with excess of
Explanation of Solution
Hydrogen halides undergo addition reaction with alkynes. Alkyne is a nucleophile and it reacts with the electrophile to give a
In this reaction of butyne with
(b)

Interpretation:
The major product obtained from the reaction of given compound with excess of
Concept Introduction:
Addition of halides to alkynes: Halogens like chlorine and bromine adds to the alkyne compounds. The general form of the reaction is given below.
If excess halides are present, a second addition reaction also occurs.
Answer to Problem 27P
The major product obtained from the reaction of given compound with excess of
Explanation of Solution
Hydrogen halides undergo addition reaction with alkynes. Alkyne is a nucleophile and it reacts with the electrophile to give a
In this reaction of hex-3-yne with
(c)

Interpretation:
The major product obtained from the reaction of given compound with excess of
Concept Introduction:
Addition of halides to alkynes: Halogens like chlorine and bromine adds to the alkyne compounds. The general form of the reaction is given below.
If excess halides are present, a second addition reaction also occurs.
Answer to Problem 27P
The major product obtained from the reaction of given compound with excess of
Explanation of Solution
Hydrogen halides undergo addition reaction with alkynes. Alkyne is a nucleophile and it reacts with the electrophile to give a
In this reaction of hept-3-yne with
Want to see more full solutions like this?
Chapter 7 Solutions
Organic Chemistry
- consider the rate of the reaction below to be r. Whats the rate after each reaction? Br + NaCN CN + NaBr a. Double the concentration of alkyl bromide b. Halve the concentration of the electrophile & triple concentration of cyanide c. Halve the concentration of alkyl chloridearrow_forwardPredict the organic reactant that is involved in the reaction below, and draw the skeletal ("line") structures of the missing organic reactant. Please include all steps & drawings & explanations.arrow_forwardWhat are the missing reagents for the spots labeled 1 and 3? Please give a detailed explanation and include the drawings and show how the synthesis proceeds with the reagents.arrow_forward
- What is the organic molecule X of the following acetal hydrolysis? Please draw a skeletal line structure and include a detailed explanation and drawing of how the mechanism proceeds. Please include any relevant information that is needed to understand the process of acetal hydrolysis.arrow_forwardWhat are is the organic molecule X and product Y of the following acetal hydrolysis? Please draw a skeletal line structure and include a detailed explanation and drawing of how the mechanism proceeds. Please include any relevant information that is needed to understand the process of acetal hydrolysis.arrow_forwardAt 300 K, in the decomposition reaction of a reactant R into products, several measurements of the concentration of R over time have been made (see table). Without using graphs, calculate the order of the reaction. t/s [R]/(mol L-1) 0 0,5 171 0,16 720 0,05 1400 0,027arrow_forward
- Predict the organic products that form in the reaction below, and draw the skeletal ("line") structures of the missing organic products. Please include all steps & drawings & explanations.arrow_forwardWhat are the missing reagents for the spots labeled 1 and 3? Please give a detailed explanation and include the drawings and show how the synthesis proceeds with the reagents.arrow_forwardWhat are the products of the following acetal hydrolysis? Please draw a skeletal line structure and include a detailed explanation and drawing of how the mechanism proceeds. Please include any relevant information that is needed to understand the process of acetal hydrolysis.arrow_forward
- What would happen if you added the HCI to the Grignard reagent before adding benzophenone? Draw a reaction mechanism to support your answer.arrow_forwardAt 300 K, in the decomposition reaction of a reactant R into products, several measurements of the concentration of R over time have been made (see table). Calculate the order of the reaction. t/s [R]/ (mol L-1) 0 0,5 171 0,16 720 0,05 1400 0,027arrow_forwardWrite the correct IUPAC names of the molecules in the picturearrow_forward
