Name (IUPAC) these following bicyclic compounds, find their molecular structure and find the constitutional isomers. i) ii) iii) iv)

3. Name the following alkanes and haloalkanes. H₂C-CH3 (a) H3C-C-CH₂-CH-CH3 Br Br CH3 HC-CH3 (b) H3C-C-CH₂-CH-CH3 H CH3 (C)

c) Show four (4) isomers that have chemical formula of C7H₁1CIO.

Using solid and dashed wedges, draw the structure of (1S, 2S, 4R, 5R)-1,5-dibromo-2,4- dichlorocyclohexane, then draw the most stable conformer.

Write structural formulas for the following compound . Q) C4H9Br: d 1.1 (d, 6H), 1.9 (m, 1H), and 3.4 (d, 2H)

3B. For each compound below, draw two chair conformations. Indicate whether the substituents are axial or equatorial. Indicate which chair conformation is more stable. (you need to draw conformations of the exact molecule, not its mirror image or diastereomer) (a) (b) (c) Ме Me Et "Et Et Me

(a) What is the IUPAC name for the following molecule (including absolute configurations if required)? (b) Draw the Newman projections looking down the C3-C4 bond that represent all the three staggered conformations for the molecule shown above. (c) Given that the strain energies below, calculate the strain energies for each conformer and identify which is the most stable. Gauche interaction Strain Energy HOCH3 0.0 kJ mol- HOCH;CH; |0.4 kJ mol- 3.8 kJ mol- | 4.3 kJ mol- CH;CH3 CH;CH2CH3 |CH2CH; CH2CH; 4.6 kJ mol- Newman Projection of Conformer 1 Strain Energy of Conformer 1 Newman Projection of Conformer 2 Strain Energy of Conformer 2 Newman Projection of Conformer 3 Strain Energy of Conformer 3

Identify the major organic product

[References] Give the name of the branched alkyl group attached to each of the following carbon chains, where the carbon chain is denoted by a horizontal line. Use the common names for C3-C4 alkyl groups, for example sec-butyl, etc. (a) (b) (c) (d) H₂ HC-C-CH3 CH₂ CH H3C CH3 CH₂ HC-CH3 HC-CH3 CH3 CH₂ CH₂ H₂C-CH3 H3C-CH₂H2-CH3 CH3 Submit Answer Try Another Version 6 item attempts remaining Previous Next>

Write the systematic names of the following alkanes. (a)    CH3CH2CH2CH2CH3(b)    CH3−CH3(c)    CH3−CH2–CH2−CH3(d)    CH3−CH2–CH2−CH2–CH2−CH2–CH2−CH3(e)    CH4(f)    CH3CH2CH3