Concept explainers
(a)
Interpretation:
Chemical equation that shows reactants, product and catalyst needed for the reaction of ethene with chlorine has to be written.
Concept Introduction:
In this reaction no atoms or group of atoms are removed. Instead the unsaturated bond is reduced to saturated bond. A general scheme for addition reaction of
Halogenation reaction is an example of addition reaction. In this reaction, the halogen atoms are added across the double bonds. Chlorination and bromination are the most commonly used halogenation reaction. For halogenation reaction, no catalyst is required.
(b)
Interpretation:
Chemical equation that shows reactants, product and catalyst needed for the reaction of ethene with hydrogen chloride has to be written.
Concept Introduction:
Chemical reaction in which an atom or a group of atoms are added to each carbon atom of a carbon‑carbon multiple bond in a hydrocarbon or hydrocarbon derivative is known as addition reaction.
In this reaction no atoms or group of atoms are removed. Instead the unsaturated bond is reduced to saturated bond. A general scheme for addition reaction of alkene can be given as shown below,
Asymmetrical addition reaction is the one in which two different atoms or group of atoms are substituted across the multiple bond resulting in the formation of product. No catalyst is required for this reaction.
(c)
Interpretation:
Chemical equation that shows reactants, product and catalyst needed for the reaction of ethene with hydrogen has to be written.
Concept Introduction:
Chemical reaction in which an atom or a group of atoms are added to each carbon atom of a carbon‑carbon multiple bond in a hydrocarbon or hydrocarbon derivative is known as addition reaction.
In this reaction no atoms or group of atoms are removed. Instead the unsaturated bond is reduced to saturated bond. A general scheme for addition reaction of alkene can be given as shown below,
Hydrogenation is a type of addition reaction. In this reaction, hydrogen atoms are added across the multiple bonds present in organic molecule. In case of alkenes to undergo hydrogenation, heating the alkene with presence of catalyst such as nickel or platinum is required.
(d)
Interpretation:
Chemical equation that shows reactants, product and catalyst needed for the reaction of ethene with hydrogen bromide has to be written.
Concept Introduction:
Chemical reaction in which an atom or a group of atoms are added to each carbon atom of a carbon‑carbon multiple bond in a hydrocarbon or hydrocarbon derivative is known as addition reaction.
In this reaction no atoms or group of atoms are removed. Instead the unsaturated bond is reduced to saturated bond. A general scheme for addition reaction of alkene can be given as shown below,
Asymmetrical addition reaction is the one in which two different atoms or group of atoms are substituted across the multiple bond resulting in the formation of product. No catalyst is required for this reaction.
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General, Organic, and Biological Chemistry
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- Choose the answer to the following questionsarrow_forwardWhich of the following statements is true? a. Both aldehydes and ketones are easily oxidized.b. Neither aldehydes nor ketones are easily oxidized.c. Aldehydes are easily oxidized, but ketones are not.d. Ketones are easily oxidized, but aldehydes are not. 2. Which of the following is obtained by oxidizing hexanal? a. hexanol b. 2-hexanone c. hexanoic acid d. none of these 3. Which of the following oxidizing agents oxidizes aldehydes in the body? a. NADH b. NAD+c. O2 d. none of these 4. Which of the following will be obtained by the reaction of pentanal with H2 in the presence of a transition metal catalyst? a. pentene b. 1-pentanolc. 2-pentanol d. pentanoic acid 5. The reaction of which combination of reactants result in the formation of a hemiacetal? a. ketone and alcohol b. ketone and aldehydec. ketone and carboxylic acid d. none of thesearrow_forwardWrite a balanced equation for the hydrobromination of each of the following alkenes.a. 2-Pentene c. 3-Hepteneb. Propene d. Ethenearrow_forward
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