Concept explainers
(a)
Interpretation: The solubility of chondrocole A in water and
Concept introduction: The solubility of solute in solution depends upon the polarity of solute and solvent. The solute and solvent of same polarity are soluble with each other and insoluble if the polarity is different.
(b)
Interpretation: The stereogenic centers are to be identified and labeled as R or S.
Concept introduction: A carbon atom which is bonded to four different groups is termed as chiral center or stereogenic center. The groups around the stereogenic center are prioritized on the basis of
(c)
Interpretation: A stereoisomer and a constitution isomer of chondrocole A is to be drawn.
Concept introduction: A compound exhibits number of stereoisomers when it contains more than one stereogenic centers. The maximum number of stereoisomers a compound with
Want to see the full answer?
Check out a sample textbook solutionChapter 7 Solutions
Organic Chemistry (6th Edition)
- Consider the tricyclic structure A. (a) Label each substituent on the rings as axial or equatorial. (b) Draw a skeletal structure for A, using wedges and dashes to show whether the substituents are located above or below the rings.arrow_forwardA 2-bromobutane react with methanol and form a enantiomeric pair of 2-methoxybutane. Draw the structures of the enntiomeric pairs of ethers.arrow_forwardDraw the product and indicate the stereochemistry when the given alcohol is treated with each reagent: (a) HBr; (b) PBr3; (c) HCI; (d) SOCI, and pyridine.arrow_forward
- Draw the organic products formed when 2-bromopentan-3-one (CH3CH2COCHBrCH3) is treated with each reagent: (a) Li2CO3, LiBr, DMF; (b) CH3CH2NH2; (c) CH3SHarrow_forward4 But-2-enal, CH₂CH=CHCHO, is a pale yellow, flammable liquid with an irritating odour. (a) But-2-enal exists as two stereoisomers. Draw skeletal formulae to show the structure of the two stereoisomers of but-2-enal. (b) (i) Describe a simple chemical test that would show that but-2-enal is an aldehyde. (ii) Explain why this test gives a different result with aldehydes than it does with keton (c) But-2-enal also reacts with sodium borohydride, NaBH4. (i) Identify the organic compound formed in this reaction. (ii) State the type of chemical reaction occurring. (d) Precautions must be taken to prevent but-2-enal catching fire. Construct a balanced equation for the complete combustion of but-2-enal, C₂HO.arrow_forwardDexamethasone is a halogen-containing steroid used to treat infl ammation in rheumatoid arthritis and other conditions. (a) Classify the alkyl halide in dexamethasone as 1 °, 2 °, or 3 °. (b) Classify the hydroxyl groups as 1 °, 2 °, or 3 °.arrow_forward
- The IUPAC name of the compound is (a) 5-formylhex-2-en-3-one (b) 5-methyl-4-oxohex-2-en-5-al (c) 3-keto-2-methylhex-5-enal (d) 3-keto-2-methylhex-4-enal The correct statement regarding electrophile is (a) electrophile is a negatively charged species and can form a bond by accepting a pair of electrons from another electrophile (b) electrophiles are generally neutral species and can form a bond by accepting a pair of electrons from a nucleophile (c) electrophile can be either neutral or positively charged species and can form a bond by accepting a pair of electrons from a nucleophile (d) electrophile is a negatively charged species and can form a bond by accepting a pair of electrons from a nucleophile, Which among the given molecules can exhibit tautomerism? Ph Ph I III (a) III only (b) Both I and III (d) Both II and III (c) Both I and II 5) Which of the following biphenyls is optically active? IIarrow_forwardPredict which member of each group is most soluble in water, and explain the reasons for your predictions.(a) butan-1-ol, pentan-1-ol, or propan-2-ol(b) chlorocyclohexane, cyclohexanol, or cyclohexane-1,2-diol(c) phenol, cyclohexanol, or 4-methylcyclohexanolarrow_forwardThe IUPAC name of the compound H- is (a) 5-formylhex-2-en-3-one (b) 5-methyl-4-oxohex-2-en-5-al (c) 3-keto-2-methylhex-5-enal (d) 3-keto-2-methylhex-4-enal ( The correct statement regarding electrophile is (a) electrophile is a negatively charged species and can form a bond by accepting a pair of electrons from another electrophile (b) electrophiles are generally neutral species and can form a bond by accepting a pair of electrons from a nucleophile (c) electrophile can be either neutral or ar positively charged species and can form a bond by accepting a pair of electrons from a nucleophile (d) electrophile is a negatively charged species and can form a bond by accepting a pair of electrons from a nucleophile.. Which among the given molecules can exhibit tautomerism? Ph Ph I II III (a) III only (c) Both I and II (b) Both I and III (d) Both II and III 1) Which of the following biphenyls is optically active?arrow_forward
- c) rite in the reagent(s) over the arrow. a) C6H5N₂+ b) C6H5C=N H3C- An OH H₂C → benzene H3C benzylamine CI CH3arrow_forwardDraw the structure of an alkyl bromide with molecular formula CgH13Br that fits each description: (a) a 1° alkyl bromide with one stereogenic center; (b) a 2° alkyl bromide with two stereogenic centers; (c) an achiral 3° alkyl bromide.arrow_forward
- Organic ChemistryChemistryISBN:9781305580350Author:William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. FootePublisher:Cengage Learning