Concept explainers
Interpretation:
The class of hydrocarbons to which the reactant in the given reaction belong is to be identified and the IUPAC name of the reactant molecule is to be written, the carbon that is oxidized in the formation of each product is to be identified by IUPAC locant and the relation between the alcohols in the product is to be determined.
Concept introduction:
The bicyclic
While determining the locants for the given alakne, the direction is chosen in such a way that the lower locant is given the first point of difference. The substituents are then listed in alphabetical order, and the locants and substituents are written first in the name of the alkane.
The isomers that have the same molecular formula but differ in the way the different atoms are connected in their structure are constitutional isomers.
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ORGANIC CHEMISTRY-W/STUD.SOLN.MAN.
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- Based on the structures of lycopene and β-carotene, which are two chemicals found in another common vegetable, the tomato, answer the following questions: 1. Are they stereoisomers, constitutional isomers or not even isomers? 2. Do you expect them to be relatively polar or nonpolar substances? Why? 3. How many double bonds are in lycopene? How many in β -carotene? 4. As lycopene is transformed into β -carotene, how many pi electrons from the double bonds are transformed into single bonds? How many new single bonds are being formed in β -carotene? 5. The first step of a possible mechanism for the ring closure in the transformation is outlined below (only part of the structure is shown for simplicity). Draw the product that results from this arrow pushing mechanism. Be sure to include any formal charges that arise from the carbon atoms.arrow_forwardFor the following compounds identify and draw freehand structural isomers and/ or stereoisomers where possible. For each isomer, clearly explain what type of isomerism is being shown and how it arises. i) Br2C=CH2 ii) CH3CH2CH2CHOarrow_forwarda. Which of the following statements concerning a pair of geometrical isomers are correct?(1) They have different boiling points and melting points.(2) They have the same relative molecular mass.(3) Their atoms are joined in the same order.A. (1) and (2) onlyB. (1) and (3) onlyC. (2) and (3) onlyD. (1), (2) and (3)b. Which of the following statements concerning enantiomers is INCORRECT?A. If a pair of enantiomers is present in the same amount, the mixture is optically inactive.B. A pair of enantiomers has the same melting point.C. There is at least one plane of symmetry in the molecules of enantiomers.D. A pair of enantiomers has the same molecular formula.arrow_forward
- Which of the following statements about alkenes and alcohols are correct? 1.Alcohols are formed as a result of the reactions of alkenes with water in an acidic environment. This is a solid reaction reaction. 2.When alcohols are heated at high temperatures, alkenes can be obtained in basic conditions. 3.The oxidation step of an alcohol with the same carbon number and alkene is the same.arrow_forwarddraw the three different structures of C2H2Br2 Name the three molecules (IUPAC). The names should NOT be the same. Identify how your molecules are related. The relationships are not all the same.(a) How are your first and second molecules related? (choose one of the following: identical, stereoisomers, constitutional isomers, or completely unrelated)(b) How are your first and third molecules related? (choose one of the following: identical, stereoisomers, constitutional isomers, or completely unrelated)(c) How are your second and third molecules related? (choose one of the following: identical, stereoisomers, constitutional isomers, or completely unrelated)arrow_forwardDefine conformational isomers. Draw or attach a photo then arrange the following conformers of butane in order of energy, lowest to highest: eclipsed, totally eclipsed, gauche, and anti.arrow_forward
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