NTA Abhyas JEE Main2020ChemistryGeneral Principles and Processes of Isolation of MetalsPractice
In Mond's process for refining of nickel, the following reactions occur. The value of ' x ' is ______. Ni + xCO → 330 K - 350 K Ni CO x → 450 K - 407 K Ni s + xCO g
Correct answer
4
Step-by-step solution
Ni   +   4CO → 330   K   -   350   K Ni CO 4 → 450   K   -   407   K Ni (s)   +   4CO g