Identify the most polar bond in each molecule. (a) HSCH2CH2OH ...

[Zulu123]

Identify the most polar bond in each molecule.
  (a) HSCH₂CH₂OH
  (b) CHCl₂F
  (c) HOCH₂CH₂NH₂

Question 2

Arrange the single covalent bonds within each set in order of increasing polarity.
  (a) C-H, O-H, N-H (b) C-H, B-H, O-H (c) C-H, C-Cl, C-I
  (d) C-S, C-O, C-N (e) C-Li, C-B, C-Mg

[komodo7]

Answer to Question 1

The O-H bond (1.4)
The C-F bond (1.5)
The O-H bond (1.4)

The difference in electronegativities is given in parentheses underneath each answer.
Bond Angles and Shapes of Molecules

Answer to Question 2

C-H < N-H < O-H B-H < C-H < O-H C-I < C-H < C-Cl
C-S < C-N < C-O C-B < C-Mg < C-Li

[Zulu123]

Great answer, keep it coming

[amandanbreshears]

Wow, this really help