Worksheet 8, Chem 51C, Jarvo

1. a. Label the hybridization of each nitrogen. CH3

0 H3C,N) 0 0 CH3 CH3

( )l H CAN)....._CH H3C-NH3CI N H H3C NMe2 3 H 3

CH3 s:p·3 Sf3

5p ,::,

b. Label each amine as 1 °, 2°, or 3°

0 CH3

CH3 CH3 H3C-NH3CI

H3C,N)

H CAN)....._CH ( 3 H 3 H I" 0 () CH3 d-

c. Rank from most to least acidic. For each compound, label with the pKa and draw the conjugate base.

0 CH3 CH3 H3C-NH3CI H CAN)....._CH Nm I 3 H 3

H A B c

[[] >0 > d. Rank from most to least acidic. For each compound, label with the pKa and draw the conjugate base ..

A B c

e. Draw the three-dimensional chair represenations of the following carbohydrates:

HO''·y·,,OH OH

oh

What are the names of these compounds? What is the relationship between them?