1.The following equation represents a method of purification of nickel:Ni (impure)+4CO→320 KNi(CO)4→420 KNi (pure)+4CO\text{Ni (impure)} + 4\text{CO} \xrightarrow{320\,\text{K}} \text{Ni(CO)}_4 \xrightarrow{420\,\text{K}} \text{Ni (pure)} + 4\text{CO}Ni (impure)+4CO320KNi(CO)4420KNi (pure)+4COThis is:a.Cupellationb.Mond processc.Van Arkel methodd.Zone refiningLogin to continueOnly logged in users canattempt or see the solution.
