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JEE Main Chemistry question

ChemistryGeneral Principles and Processes of Isolation of Elements (Metallurgy)JEE Main

Not in JEE Main or NEET syllabus

The following equation represents a method of purification of nickel:

Ni+2CONi+4CO

(Impure) → (Pure). This method is:

Answer: (B)

Solution

Forming volatile nickel carbonyl at a lower temperature and decomposing it at a higher

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Question ID VK-145440