Question

Does a reaction occur when aqueous solutions of copper(II) iodide and potassium sulfide are combined? Oyes no If a reaction does occur, write the net Jonic equation. Use the solubility rules provided in the OWL Preparation Page to determine the solubility of compounds. Use the pull-down boxes to specify states such as (aq) or (s). If a box is not needed leave it blank. Submit Answer Retry Entire Group 8 more group attempts remaining

Answer 1

yes precipitate will form

molecular equation as follows

CuI2_(aq) + K2S_(aq) ----------> CuS_(s) + 2KI_(aq)

net - ionic equation as follows

Cu⁺²_(aq) + S^-2_(aq) --------> CuS_(s)