Subject: Inorganic Chemistry · Chapter: D Block · Topic: D Block – General · Exam: JAM 2005-2022 · Marks: 2 · Difficulty: Easy
8(a) Highly pure nickel metal can be prepared from its sulphide ore via $\mathrm{Ni}(\mathrm{CO})_{4}$. Write the chemical equations involved.
(b)Addition of excess of aqueous $\mathrm{NH}_{3}$ followed by ethanolic solution of dimethylglyoxime to a dilute aqueous solution of nickel sulphate changes the solution colour from green to blue to red. Write the structures of the metal complexes corresponding to green, blue and red colours.
Answer
SELF-PRACTICE — the source book printed no answer.
Nothing is invented here, so this question has no answer on record.