(a)
Interpretation:
The names of
Concept introduction:
Functional groups are atom or groups of atoms which are responsible for special chemical or physical properties of the molecule. IUPAC purposed a complete list of different functional groups with their prefix and suffix which can be used in the naming of the molecule. Some of the atoms can act as functional group such as −Cl, -F, -Br etc whereas some of them are groups of atoms like −NH2, -NO2, -OH etc.
(b)
Interpretation:
Identify the hybridization of
Concept introduction:
Hybridization is the process of mixing of atomic orbitals to form same energy and same shape hybrid orbitals which form covalent bond with overlapping of atomic orbitals of other atoms. The number of
(c)
Interpretation:
Identify the chiral C atoms in ephedrine.
Concept introduction:
A chiral carbon atom is the carbon atom which is bonded with four different atoms or group of atoms. The presence of chiral carbon atom makes that molecule optically active so it can rotate the plane polarized light either clockwise or anti-clockwise. Such molecules are called as optically active molecule and two different configuration of same molecule are called as enantiomers. They are non-superimposable mirror images of each other.
(d)
Interpretation:
Calculate the pKb value for ephedrine with the help of given information.
Concept introduction:
Ephedrine is a weak base which is mainly used as a center nervous system stimulant. Since it acts as a weak base therefore it gives OH- ions in its aqueous solution.
The base dissociation constant
The relation between
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EBK GENERAL CHEMISTRY
- A chemical breathalyzer test works because ethanol in the breath is oxidized by the dichromate ion (orange) to form acetic acid and chromium(III) ion (green). The balanced reaction is 3C2H5OH(aq)+2Cr2O72(aq)+2H+(aq)3HC2H3O2(aq)+4Cr3+(aq)+11H2O(l)You analyze a breathalyzer test in which 4.2 mg K2Cr2O7 was reduced. Assuming the volume of the breath was 0.500 L at 30.C and 750. mm Hg, what was the mole percent alcohol of the breath?arrow_forwardWater as Reactantarrow_forwardD3C O O O D3C optically active D3CI cat. H₂SO4, H₂O optically active 1.) cat. H₂SO4, H₂O 2.) NaBH4, EtOH HCI, Zn-Hg, H₂0 A, KOH, NH2NH2arrow_forward
- 15. It is believed that Alexander the Great was poisoned by an organic compound known as Strychnine. The structure of Strychnine is shown below. Identify the functional groups present in this molecule. a H "H b C --d A. a = tertiary amide, b = tertiary amine, c = alkene, d = ether B. a = ketone, b = secondary amine, c = alkene, d = ether C. a secondary amide, b = tertiary amine, c = alkyne, d = alcohol D. a = ketone, b = tertiary amide, c = alkyne, d = etherarrow_forward26. Select the answer that best expresses the relationship between these two molecules: OH A. constitutional isomers B. conformers C. cis-trans isomers D. functional group isomers E. one is the oxidation product of the other 27. Select the answer that best expresses the relationship between these two molecules: کوال محمد 1 CI constitutional isomers 2 CI A. B. conformers C. cis-trans isomers, where 1=cis and 2=trans D. cis-trans isomers, where 1=trans and 2=cis E. functional group isomersarrow_forward3arrow_forward
- C. Draw a structural formula for the principal organic product formed when each compound is treated with K2CrzOr/H2SO4 if there is no reaction, say so. 1. butanal 2. benzaldehyde 3. cyclohexanone 4. cyclohexanol 5. 2-pentanonearrow_forward8. Classify each alkene, alkyne., aromatic hydrocarbon, aleohol,ther ketone, carboxylic acidy Of the following organic compound as alkane , aldehyde amide, an hydrideor amine ester a. CHs CH z CH こ C4C4っ b. C. CH3 CHz CH - CH2O d. COCH3 e. CHz (cHz)8 C Hy f. CHz COO CHz CHz 9. cH, CH, CHz-CH h. CH EC - CHz Ctg i: CHz CH,-く4。 J. cH, C4 - と一6H K: CHs CH, NH CH> 1. CH3 - C-C Hz トH2 CH,arrow_forward1. what grouo does the ff organic compound belong? a. ketone b. ether c. cyloalkane d. esther 2. what group does the ff organic compound belong? a. amide b. azo c. nitrile d. amine 3. what is the priority functional group of the ff organic compound? a. carboxyl b. hydroxyl c. carbonyl d. hydroxidearrow_forward
- 128.arrow_forwardCH3–C–CH2-CH3 For the compound: a. Circle the carbonyl group in the compound above. b. What is the geometry of the carbon atom of the carbonyl group? What is the hybridization of the carbonyl carbon (sp, sp² or sp³)?. d. Is the compound soluble or insoluble in water? e. Is the compound more or less soluble (in water) than an alcohol? f. Does this compound have a higher or lower bp than an alkane? С.arrow_forwardAa.30.arrow_forward
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