Which is more polar, a sulfur-bromine (S-Br) bond or a ...

[jho37]

Which is more polar, a sulfur-bromine (S-Br) bond or a selenium-chlorine (Se-Cl) bond?
 
  A) A selenium-chlorine bond should be more polar because of a greater difference in effective nuclear charge.
  B) A selenium-chlorine bond should be more polar because of a smaller difference in effective nuclear charge.
  C) A sulfur-bromine bond should be more polar because of a greater difference in effective nuclear charge.
  D) A sulfur-bromine bond should be more polar because of a smaller difference in effective nuclear charge.

Question 2

Which of the above substances would have the lowest boiling point?
 
  A) a
  B) b
  C) c
  D) All boil at the same temperature.
  E) All are gases.

[Laurenleakan]

Answer to Question 1

Answer: A

Answer to Question 2

Answer: A

[jho37]

Thanks for the timely response, appreciate it

[alvinum]

Excellent