In the above set up substances X and Y are respectively
A.
lime water copper (ll) tetraoxosulphate (lV)
B.
potassium trioxocarbonate and alkaline pyrogallol
C.
potassium hydroxide and alkaline pyrogallol
D.
potassium trioxocarbonate (lV) and concentrated tetraoxosulphate (IV) acid
Correct answer is C
No explanation has been provided for this answer.