Draw two different chair conformations for each of the following molecules. Make sure that your drawings clearly show the cis–trans stereochemistry.

(c)

For each pair of conformations you drew in Assessment 3.41, indicate which is most stable.

Draw the most stable chair conformation for the following trisubstituted cyclohexane.

Based on the formal charge, determine how many lone pairs are on each indicated atom.

(a)

Modify the following line-angle drawings to show all lone pairs.

(a)

Modify the following line-angle drawings to show all lone pairs.

(b)

Given the line-angle drawings shown, answer the following questions:

(i) How many carbons are in each molecule?

(ii) How many hydrogens are at the circled carbon?

(iii) Is the indicated (→) carbon or 1° , 2°, 3°, or 4°?

(c)

Given the line-angle drawings shown, answer the following questions:

(i) How many carbons are in each molecule?

(ii) How many hydrogens are at the circled carbon?

(iii) Is the indicated (→) carbon or 1° , 2°, 3°, or 4°?

(e)

Given the line-angle drawings shown, answer the following questions:

(i) How many carbons are in each molecule?

(ii) How many hydrogens are at the circled carbon?

(iii) Is the indicated (→) carbon or 1° , 2°, 3°, or 4°?

(f)

Given the line-angle drawings shown, answer the following questions:

(i) How many carbons are in each molecule?

(ii) How many hydrogens are at the circled carbon?

(iii) Is the indicated (→) carbon or 1° , 2°, 3°, or 4°?

(h)

Represent each of the following condensed structural formulas using a line-angle drawing.

(c) CH₃CHOHCH₂CHBrCH₃

Represent each of the following condensed structural formulas using a line-angle drawing.

(d) CH₃CH₂CH₂CCH₂OH

Represent each of the following condensed structural formulas using a line-angle drawing.

(e) (CH₃)₂CHCH₂CH₂CH₂CH₂CHO

For each molecular formula, represent all constitutional isomers using line-angle drawings.

(b) C₃H₈

For each molecular formula, represent all constitutional isomers using line-angle drawings.

(c) C₄H₁₀

For each molecular formula, represent all constitutional isomers using line-angle drawings.

(e) C₆H₁₄

Draw in all missing lone pairs for the following molecules.

(a)

Draw in all missing lone pairs for the following molecules.

(b)

Draw in all missing lone pairs for the following molecules.

(c)

Draw in all missing lone pairs for the following molecules.

(d)

Given the first Newman projection and the direction and degree of rotation, fill in the resulting Newman projection. [One substituent has been labeled for you.]

(a)

Given the first Newman projection and the direction and degree of rotation, fill in the resulting Newman projection. [One substituent has been labeled for you.]

(d)

Given the first Newman projection and the direction and degree of rotation, fill in the resulting Newman projection. [One substituent has been labeled for you.]

(h)

Given the first Newman projection and the direction and degree of rotation, fill in the resulting Newman projection. [One substituent has been labeled for you.]

(l)

For each of the following structures, which staggered Newman projection skeleton from Assessment 3.51 should you draw first to show what is seen when looking down the indicated bond?

(d) <IMAGE>

Given the following structures, show the Newman projection that would result from looking down the indicated bond in the direction shown. [Orient yourself as if you were the eyeball looking down the bond. Some of the examples have been partially completed for you to fill in the rest.]

(b) <IMAGE>

Given the following structures, show the Newman projection that would result from looking down the indicated bond in the direction shown. [Orient yourself as if you were the eyeball looking down the bond. Some of the examples have been partially completed for you to fill in the rest.]

(i) <IMAGE>

Given the following structures, show the Newman projection that would result from looking down the indicated bond in the direction shown. [Orient yourself as if you were the eyeball looking down the bond. Some of the examples have been partially completed for you to fill in the rest.]

(j) <IMAGE>

Given the following structures, show the Newman projection that would result from looking down the indicated bond in the direction shown. [Orient yourself as if you were the eyeball looking down the bond. Some of the examples have been partially completed for you to fill in the rest.]

(k) <IMAGE>

Given the following structures, show the Newman projection that would result from looking down the indicated bond in the direction shown. [Orient yourself as if you were the eyeball looking down the bond. Some of the examples have been partially completed for you to fill in the rest.]

(l) <IMAGE>