The Question is from neet-chemistry , and it was created by the author Mr. S M HUSSAIN

Question

Identify the correct IUPAC name for the given complex: $[Ag{(H_2O)_2}][Ag{(CN)_2}]$

Mr. S M HUSSAIN · Accepted Answer

## CORE INFORMATION
✓ **Answer**: [Option Letter: C]
## CONCEPT FRAMEWORK
	**Primary Concept**: Nomenclature of coordination compounds
	**Related Topics**: Ligands, oxidation states, naming complexes
	**Prerequisites**: Understanding of IUPAC naming conventions for coordination compounds
## SOLUTION PATHWAY
**Given Information**:
		1. The complex consists of two parts: $[Ag{(H_2O)_2}]$ and $[Ag{(CN)_2}]$.
		2. The ligands in the complex are aqua ($H_2O$) and cyano ($CN$).
**Method & Steps**:
	1. Identify the oxidation states of silver in both complexes.
		Reasoning: The common oxidation states for silver are +1 and +2. The $CN$ ligand is a strong field ligand that typically coordinates in a -1 state.
		Formula/Rule: The sum of oxidation states must equal the charge of the complex.
	2. For the complex $[Ag{(H_2O)_2}]$, silver is in the +1 oxidation state.
		Working: Each water molecule is neutral, contributing 0 to the overall charge.
		Key Point: Thus, $Ag$ in this part is $Ag^{+1}$.
	3. For the complex $[Ag{(CN)_2}]$, since there are two cyano ligands each contributing -1 charge, silver must be in the +1 oxidation state.
		Result: Hence, $Ag^{+1}$ for $[Ag{(CN)_2}]$.
		Verification: The overall charge of the entire complex is neutral, confirming our oxidation states.
## OPTION ANALYSIS
[A] :x: Diaquasilver(II) dicyanoargentate(II): Incorrect because it incorrectly states the oxidation state of silver as +2.
[B] :x: Dicyanoargentate(I) diaquasilver(I): Incorrect because of the order of naming and oxidation state.
[C] ✓: Diaquasilver(I) dicyanoargentate(I): Correct, as both parts of the complex feature silver in the +1 oxidation state and are correctly named.
[D] :x: Silver diaqua dicyanoargentate: Incorrect as it does not reflect the proper naming order for coordination compounds.
## LEARNING AIDS
	**Common Mistakes**:
		1. Confusing the oxidation states: Always verify the charge contributed by each ligand.
		2. Incorrect order of naming: Remember to list ligands in alphabetical order disregarding prefixes.
	**Quick Tips**:
		1. Use the oxidation state of the central metal to derive the names of the ligands correctly.
		2. Familiarize yourself with common ligands and their charges to ease the naming process.

Mr. S M HUSSAIN · Answer

Diaquasilver(II) dicyanoargentate(II)

Mr. S M HUSSAIN · Answer

Dicyanoargentate(I) diaquasilver(I)

Mr. S M HUSSAIN · Answer

The correct Option is "Diaquasilver(I) dicyanoargentate(I)"

Mr. S M HUSSAIN · Answer

Silver diaqua dicyanoargentate

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