General Principles And Processes Of Isolation Of Metals Question 5
Question 5 - 29 January - Shift 1
The reaction representing the Mond process for metal refining is
(1) $Ni+4 CO \xrightarrow{\Delta} Ni(CO)_4$
(2) $2 K[Au(CN)_2]+Zn \xrightarrow{\Delta} K_2[Zn(CN)_4]+2 Au$
(3) $Zr+2 I_2 \xrightarrow{\Delta} Zr I_4$
(4) $ZnO+C \xrightarrow{\Delta} Zn+CO$