Author Question: Which is more polar, a sulfur-bromine (S-Br) bond or a selenium-chlorine (Se-Cl) bond? A) A ... (Read 50 times)

jho37 · **on:** Jul 29, 2018

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.