Answer
a. Yes, a $CsCl$ solution conducts electrical current.
b. No.
c. Yes.
d. No.
Work Step by Step
1. If the substance is an ionic compound, it will conduct electrical current.
a. and c. conduct electrical current.
2. If the substance is a molecular compound, but act as an acid is solution, it conducts electrical current.
3. If none of the above are true, the solution of that substance will not conduct electrial current.
b. and d. do not.