(a)
Interpretation:
The relation between all- trans- retinal and 11- cis- retinal should be determined.
Concept Introduction:
If two compounds have the same molecular formula but different chemical structures, then such phenomenon is termed as isomerism. Moreover, such compounds are termed as the isomers of each other. Isomerism is broadly divided into two broad categories, constitutional isomerism, and stereoisomers.
(b)
Interpretation:
The relation between all- trans- retinal and vitamin A should be determined.
Concept Introduction:
If two compounds have the same molecular formula but different chemical structures, then such phenomenon is termed as isomerism. Moreover, such compounds are termed as the isomers of each other. Isomerism is broadly divided into two broad categories, constitutional isomerism, and stereoisomers.
(c)
Interpretation:
The relation between 11-cis - retinol and vitamin A should be determined.
Concept Introduction:
If two compounds have the same molecular formula but different chemical structures, then such phenomenon is termed as isomerism. Moreover, such compounds are termed as the isomers of each other. Isomerism is broadly divided into two broad categories, constitutional isomerism, and stereoisomers.
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CONNECT IA GENERAL ORGANIC&BIO CHEMISTRY
- Which of the compounds can exist as enantiomers? A. Isopropyl chloride B. Bromochloromethane C. Sec-butyl chloride D. 1-chloro-2methylpentane a. A and B b. B and D c. C and D d. B and Carrow_forward58. Which of the following statements incorrectly describes alcohols? A. The solubility of an alcohol is affected by the length of its carbon chain. B. The boiling point of an alcohol is affected by the length of its carbon chain. C. The solubility of an alcohol is affected by the shape of the molecule. D. Straight chain isomers will have a higher boiling point than the branched molecule. 59. Why do phenols have a higher boiling point than toluene despite having similar shape? A. The higher boiling point of phenol is attributed to the electronegativity of the oxygen. B. The higher boiling point of phenol is attributed to the hydrogen bonding. C. Both D. Neither 60. Which of the following statements incorrectly describes ethers? A. Ethers react easily with acids. B. Ethers are miscible with water. C. Ether serves as an electron acceptor group. D. None of the above Refer to the reaction to answer items 61 to 63. CH₂ OH KMnO4 H₂C 61. What type of reaction is catalyzed based on the…arrow_forwardWhat Is the relationship between these molecules? CI H3C. H3C CHS A. Identical B. Configurational (geometric) stereoisomers C. Structural (constitutional) isomers D. Conformations (rotamers) E. unrelatedarrow_forward
- How many isopropene units in this structure?arrow_forwardHW24arrow_forwardIdentify which type of isomerism is described by each statement. A. Isomerism based on a single difference on the location of OH B. Isomerism based on functional group of the monosaccharides C. Isomerism based on configuration of hemiketal or hemiacetal carbon D. Isomerism based on ability to rotate plane of polarized light E. Isomerism based on OH position in the carbon atoms of the linear structure F. Isomerism based on aromatic ring structure derivationarrow_forward
- 1. Which compounds contain chiral centers? Show your solution for each ww ww w w item. a. 2-Chloropentane b. 3-Chloro-1-pentene c. 3-Chloropentane d. 1,2-Dichloropropanearrow_forward1. What functional group is produced when an aldehyde reacts with H2/Pt? A.secondary alcohol B. carboxylic acid C.hemiacetal D. primary alcohol E.alkane F.tertiary alcohol G. alkene 2. What reaction occurs when an aldehyde reacts with H2/Pt to form a primary alcohol? A. Hydration B. Hydration C. Dehydration D. Oxidation E. Reduction( hydrogentation) 3. What reaction occurs when an Ester react with H+/H2O to from a carboxylic acid and alcohol? A. Dehydration B. Reduction ( Hydrogenation) C.Hydrolysis D. Hydration E.oxidationarrow_forwardB-Carotene is better to be absorbed through cooked food? A. True B. Falsearrow_forward
- Illustrate examples of both types of isomers ? a. constitutional isomers b. stereoisomersarrow_forward13. Ethylethanoate and butanoic acid can be classified as A. positional isomers B. chain isomers C. functional isomers D. stereoisomers 14. Which of the following pairs are positional isomers A. trans-1,4-dichlorocyclohexane, cis-1,3-dichlorocyclopentane B. trans 1,4-dichlorocyclohexane, cis-1,4-dichlorocyclohexane C. 2-pentanol, Cyclopentanol D. 1,2-cycohexanediol, 1,3-cycohexanediol 15. Which of the following compounds will have zero dipole moment? A. cis-1,2-dibromoethylene B. 1,1-dibromoethylene C. trans-1,2-dibromoethylene D. all of these 16. Which of the following is not aromatic: A. cyclopentadienyl cation B. cyclopentadienyl anion C. Cyclopropenyl cation D. Cycloheptatrienyl cation 17. Which of the following compounds containing lone pair has the least tendency to donate its electrons? A. the lone pair in pyridine B. the lone pair in furan C. the lone pair in pyrole D. the lone pair in thiophenearrow_forward5. Choose the incorrect option regarding Isomerism:A. They differ in both physical and chemical propertiesB. They have different molecular formula C. Chain isomers differ in the arrangement of their skeletonD. They have the same molecular formulaarrow_forward
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