Question:
The correct formula of a complex having IUPAC name Tetraaminedibromoplatinum (IV) bromide is:
The correct formula of a complex having IUPAC name Tetraaminedibromoplatinum (IV) bromide is:
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When deciphering IUPAC names, focus on the coordination number and oxidation state to determine the formula.
Updated On: Nov 5, 2025
- [PtBr\(_2\) (NH\(_3\))\(_4\)] Br
- [PtBr\(_3\) (NH\(_3\))\(_4\)] Br
- [PtBr\(_2\) (NH\(_3\))\(_4\)] Br\(_2\)
- [PtBr\(_3\) (NH\(_3\))\(_4\)] Br\(_2\)
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The Correct Option is A
Solution and Explanation
Step 1: Understand the IUPAC naming convention.
The IUPAC name "Tetraaminedibromoplatinum (IV) bromide" indicates the following: - "Tetraamine" refers to four ammonia molecules (\(NH_3\)) coordinated to the platinum ion. - "Dibromo" indicates two bromine atoms as ligands. - The platinum is in the +4 oxidation state, hence "platinum (IV)". - The bromide (\(Br\)) ion is a counter ion. Step 2: Writing the formula.
The formula for this complex is: \[ \text{[PtBr}_2(\text{NH}_3)_4\text{]} \text{Br} \] Thus, the correct answer is (A).
The IUPAC name "Tetraaminedibromoplatinum (IV) bromide" indicates the following: - "Tetraamine" refers to four ammonia molecules (\(NH_3\)) coordinated to the platinum ion. - "Dibromo" indicates two bromine atoms as ligands. - The platinum is in the +4 oxidation state, hence "platinum (IV)". - The bromide (\(Br\)) ion is a counter ion. Step 2: Writing the formula.
The formula for this complex is: \[ \text{[PtBr}_2(\text{NH}_3)_4\text{]} \text{Br} \] Thus, the correct answer is (A).
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