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Concept explainers
(a)
Interpretation:
In benzene, all six H atoms are chemically equivalent. A plane of symmetry through which H atom is the mirror image of another is to be identified.
Concept introduction:
In
(b)
Interpretation:
After rotation of benzene molecule in a way that the exchange of location of H atom on the molecule remains unchanged is to identified.
Concept introduction:
In a
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Chapter 16 Solutions
EBK GET READY FOR ORGANIC CHEMISTRY
- 2. (i) List all the intermolecular forces presented in the following substances. And list these substances in order of increasing boiling point (lowest first). CH;OCH; CH3CHO C2H6 CH3COOH C2H;OH (ii) State whether each compound is polar or non-polar, explain the order of boiling points in (1). (iii) Which of these two compounds, CH;OCH; and CH;CH2OH, would be more soluble in water and why?arrow_forwardRefer to the list of compounds shown below when answering questions 4(a) to 4(j) (a) A 50:50 mixture of structure VI with what other compound would lead to a racemic mixture?(b) Identify one compound that is identical to structure IV. (c) Identify one compound that is identical to structure V. (d) Identify one compound that is expected to have identical physical properties as structure II. (e) Other than structures III and VI, identify a stereoisomer with a different boiling point from that of structure II. (f) Other than structures IV, identify one diastereomer of structure I. (g) How many stereoisomers may be derived from structure V? (h) Specify the absolute (R/S) configuration of the amino group in structure IV. (i) If the substituents in structures I, IV and V were identical (all OH or all NH2), which structure would result in a meso compound? (j) If each hydroxy group for structures I, II and VI were replaced with another amino group, which compound would be made optically…arrow_forward(b) Classify the following alcohols in order of increasing ease of acid-catalyzed dehydration.Justify your answers.arrow_forward
- (a) Write the structures of the following compounds and mark them as chiral or achiral. 4 (i) 2-Bromopentane (ii) 3-Bromopentane (iii) 1-Bromo-2-methylbutane (iv) 2-Chloro-3-methylbutane (b) Identify the asymmetric carbon in the chiral compounds. (c) Write the structure of the other enantiomer of the chiral compounds.arrow_forward(b) Classify the following two pairs of structures as conformational or configurational isomers. Explain your answer. and HO, OH il. and ноarrow_forward(b) Classify the following alcohols in order of increasing ease of acid-catalyzed dehydration. Justify your answers. OH OHarrow_forward
- Indicate whether each statement is true or false. (a) Butanecontains carbons that are sp2 hybridized. (b) Cyclohexaneis another name for benzene. (c) The isopropyl group containsthree sp3-hybridized carbons. (d) Olefin is anothername for alkyne.arrow_forward(a) Describe the molecular geometry expected for 1,2,3-butatriene (H2C=C=C=CH2). (b) Two stereoisomers are expected for 2,3,4-hexatriene (CH3CH=C=C=CHCH3). What should be the relationship between these two stereoisomers?arrow_forwardIf either of the following molecules has a stereogenic carbon (chirality center), give structures for both of the enantiomers. (a) 2-bromopropane (b) 2-bromobutanearrow_forward
- (a) Distinguish between:(i) C6H5— COCH3 and C6H5— CHO(ii) CH3COOH and HCOOH(b) Arrange the following in the increasing order of their boiling points:CH3CHO, CH3COOH, CH3CH2OHarrow_forward5.76 2,3-Dibromoprop-1-ene (C3H4Br₂) has four H atoms. Suppose that any of these H atoms can be replaced by a Cl atom to yield a molecule with the formula C3H3Br₂Cl. (a) Identify two H atoms where this substitution would yield constitutional isomers of C3H3Br₂Cl; (b) enantiomers of C3H3Br₂Cl; (c) diastereomers of C3H3Br₂Cl. co 11 HHH Juods H Brugtrio 2 bas A 2,3-Dil so ontemme A chon Br 2,3-Dibromoprop-1-enearrow_forward3) In the mid-1930s, the German theoretical chemist Erich Hückel developed a rule that dealt with the aromaticity of various compounds, which became known as the Hückel Rule. Which (parts) of the compounds listed below are aromatic? Justify your answer based on Hückel's rule. You can treat the rings separately or together as you wish.arrow_forward
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