Asked by Dom
A solution of potassium fluoride turns litmus paper blue. What are the products of the modified Arrhenius net ionic equation for this compound?(Choose all the correct answers)
Question 2 options:
A. OH-
B. H3O+
C. F-
D. H2O
E. HF
F. HKF+
Question 2 options:
A. OH-
B. H3O+
C. F-
D. H2O
E. HF
F. HKF+
Answers
Answered by
DrBob222
KF in water ionizes 100% to give K^+ and F^-. The F^- reacts with H2O (it hydrolyzes) as follows:
F^- + HOH ==> HF + OH^-
So it's the OH^- that causes the litmus paper to turn because the solution is basic.
F^- + HOH ==> HF + OH^-
So it's the OH^- that causes the litmus paper to turn because the solution is basic.
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