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a.
To determine:
The structure of both the cis and trans stereoisomers for the given compound using wedge-and-dash bonds.
Concept introduction:
Cis-Trans isomers come under the geometric isomerism and are a form of stereoisomerism. The prefix “cis” means “on the same side” and the prefix “trans” means “on opposite sides”.
When the heteroatom is cis then one heteroatom is at axial position and the other one is at equatorial position. When the heteroatom is trans, then both substituents are at equatorial position but are on the opposite sides of the ring with respect to each other.
The Trans isomers have high symmetry and are more stable than cis isomers.
b.
To determine:
The structure of both the cis and trans stereoisomers for the given compound using wedge-and-dash bonds.
Concept introduction:
Cis-Trans isomers come under the geometric isomerism and are a form of stereoisomerism. The prefix “cis” means “on the same side” and the prefix “trans” means “on opposite sides”.
When the heteroatom is cis then one heteroatom is at axial position and the other one is at equatorial position. When the heteroatom is trans, then both substituents are at equatorial position but are on the opposite sides of the ring with respect to each other.
The Trans isomers have high symmetry and are more stable than cis isomers.
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Chapter 4 Solutions
GENERAL ORGANIC+BIO...(LL)-W/MOD.ACCESS
- The number of 2sp^2 hybridized atoms in is: A. 8; B. 6; C.4; D.2; E.0;arrow_forwardThe highest boiling compound from among the following isA. 2-methylheptane; B. 3-methylheptane; C. 2,2-dimethylhexane;D. octane; E. 2,2,3-trimethylpentanearrow_forwardWhich of the following features are found in the most stable structure ofCH5NO that does not have a CO bond?w. a π bond, x. two NH bonds, y. one OH bond, z. 3 lone pairsA. w, x; B. x, y; C. y, z; D. x, y, z; E. all of them.arrow_forward
- Which one of the following functional groups is not present in thecompound shownA. amine; B. aldehyde, C. ether; D. amide. E. ketonearrow_forwardWhich of the following formulas correspond to at least one compound inwhich resonance is important?w. C2H5N x. C3H5Br; y. C3H4; z. C4H6.A. w, x, y; B. x, y, z; C. w, x, z; D. w, y, z; E. all of themarrow_forwardPredict the product(s) that are formed after each step for reactions 1-4. In each case, consider formation of any chiral center(s) and draw all expected stereoisomers. 1) OH 1) HBr (SN2) 2) NaOH, heat 3) BH3, THF 4) H2O2, NaOH 2) OH 1) SOCI 2, py 2) NaOEt 3) Br2, H₂O 3) OH 1) H2SO4 conc. 2) HBr, ROOR 3) KOtBu 4) OH 1) TsCl, py 2) NaOEt 3) 03 4) DMSarrow_forward
- Which of the following rings has the least strain in its most stableconformation?A. Cyclobutane; B. Cyclopentane; C. Cyclohexane; D. Cycloheptane;E. Cyclooctanearrow_forwardThe number of different carbon skeletons that have a main chain of 9carbons and an ethyl branch isA 3; B. 4; C. 5; D. 6; E. 7arrow_forwardQ5: Classify the following pair of molecules as constitutional isomers, enantiomers, diastereomers, the same molecule, or completely different molecules. Br O CI Br OH OH 111 Br .!!!/Br F OH and ...m Br Br OH CI Br OH ་་་་་" ། ་arrow_forward
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