Chemistry Co-ordinatios Compounds General Introduction of Complex Salts and Definitions to be used Single Correct MCQ
Published on: August 13, 2026

Write down the formulae of the following compounds

(a)

Tetraamminezinc(II) Nitrate

The compound formed when zinc nitrate is treated with an excess of ammonia

(b)

Tetracarbonylnickel(0)

The first metal carbonyl(prepared in 1888) and an important compound in the industrial refining of nickel metal

(c)

Potassium amminetrichloridoplatinate(II)

A compound that contains a square planar anion

(d)

Dicyanidoaurrate(I) ion

An ion important in the extraction of gold from its ores

(e)

Sodium hexafluoridoaluminate(III)

Called cryolite, used in the electrolytic refining of aluminium

(f)

Diamminesilver(I) ion

Ion formed when AgCl is dissolved in excess of ammonia

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Text Solution

Verified by Experts
The correct answer is:
a

(a)

Tetraamminezinc(II) Nitrate

[Zn(NH3)4](NO3)2

(b)

Tetracarbonylnickel(0)

[Ni(CO)4]

(c)

Potassium amminetrichloridoplatinate(II)

K[Pt(NH3)Cl3]

(d)

Dicyanidoaurrate(I) ion

[Au(CN)2]

(e)

Sodium hexafluoridoaluminate(III)

Na3[AlF6]

(f)

Diamminesilver(I) ion

[Ag(NH3)2]+ 

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