20 Questions
What do metallic carbonyls contain?
Lone pairs of electrons on carbon and oxygen atoms
In which oxidation state is the metal atom in metallic carbonyls said to be?
Zero
What type of carbonyl contains only one metallic atom per molecule?
Mononuclear (or monomeric) carbonyls
What is the general method of preparation for simple carbonyls like nickel tetracarbonyl?
Direct combination of nickel with carbon monoxide at suitable temperature and pressure
What do polynuclear carbonyls contain?
Two or more metallic atoms per molecule
What is the general formula for polynuclear carbonyls?
Ni(CO) Fe, (CO), Co, (CO), Fe, (CO),2.Co.(CO)
Which metal compound has a tetrahedral shape due to sp³ hybridization of the metal atom?
Nickel tetracarbonyl Ni(CO)
Why is Iron pentacarbonyl Fe(CO) diamagnetic?
Due to dsp hybridization of the iron atom
What is the coordination number of iron in Fe_{2}(CO)_{9}?
7
In polynuclear carbonyls, what does each Fe-atom link to in Fe_{2}(CO)_{9}?
Three bridging C=O groups by a coordinate bond
What is the basis of classification for different types of silicates?
The shape of SiO4 anions
Why are some silicates insoluble in water?
As a result of the great strength of Si-O bond
What causes the formation of SiO4 anions?
The ap³ hybridisation of Si atom
What is the shape of SiO4 anions?
Tetrahedral
How are all silicates similar in terms of their anion composition?
They all contain SiO4 anions
What type of silicates contain discrete SiO4 tetrahedral anions?
Pyrosilicates
Which type of silicates are known for their extensive industrial use as abrasives?
Chain silicates
In which type of silicates are the SiO4 tetrahedral units arranged in a cycliz like structure?
Cyclic or ring silicates
Which silicate type contains the discrete Si2O2^{6-} anion formed by joining two SiO4 tetrahedral units through one oxygen atom?
Pyrosilicates
What do zeolites primarily consist of, and what characteristic feature do they possess?
Alumina and a three-dimensional network with open structure
Test your knowledge about metallic carbonyls and the electronic configuration of CO molecules. Learn about the formation and properties of metallic carbonyls.
Make Your Own Quizzes and Flashcards
Convert your notes into interactive study material.
Get started for free
