JEE Mains · Chemistry · STD 12 - 5. Co-ordination chemistry
Consider the following test for a group-IV cation.
\(M ^{2+}+ H _2 S \rightarrow A\) (Black precipitate) + by product
\(A +\) aqua regia \(\rightarrow B + NOCl + S + H _2 O\)
\(B + KNO _2+ CH _3 COOH \rightarrow C +\) by product
The spin-only magnetic moment value of the metal complex \(C\) is _______ BM. (Nearest integer)
- A 0
- B 1
- C 2
- D 3
Answer & Solution
Correct Answer
(A) 0
Step-by-step Solution
Detailed explanation
If \(M ^{+2}= Co ^{+2}\) then
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