Assertion `: Cu^(2+)` iodide is not known
Reason `: Cu^(2+)` oxidises `I^(-)` to iodine.
A. Both assertion and reason are true and reason is the correct explanation of the assertion .
B. Both assertion and reason are true but reason is not the correc explanation of assertion.
C. Assertion is not true for reason is true
D. Both assertion and reason are false.