mention any two properties of interstitial compounds.
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Interstitial Compounds
Interstitial Compounds are formed when small atoms of H, C or N get trapped inside the crystal lattice of metals. Learn about their Physical & Chemical Properties with Byju's.
ChemistryThe Solid StateInterstitial Compounds
Properties Of Interstitial Compounds
What are Interstitial Compounds?
The compounds formed when small atoms of H, C or N get trapped inside the crystal lattice of metals is known as interstitial compounds.
A number of interstitial compounds are formed by the transition metals. Transition metals react with elements such as hydrogen, carbon, nitrogen, boron etc. to form interstitial compounds.
As vacant spaces of the transition metals are filled up by small atoms, these compounds are hard and rigid.
The chemical properties of the parent transition metals are not altered during the formation of interstitial compounds.
However, there are various changes in the physical properties such as density, rigidity, hardness, malleability, ductility, electrical conductivity etc.
Steel and cast iron are the interstitial compounds of iron which are formed with carbon. In the formation of these compounds, the malleability and ductility of iron are lost to a great extent, but the tenacity of the metal increases.
Transition metals have crystals which are either hexagonal close-packed or face-centered cubic structures. Both of these lattices are very similar and have two types of holes.
Firstly, there can be two tetrahedral holes per metal atom which mean there is a hole between four metal atoms.
Secondly, there can be one octahedral hole per atom that is the hole is between six metal atoms.
Physical and chemical properties
Following are the significant physical and chemical properties of the interstitial compounds:
These compounds have very high melting points, higher than that of the parent transition metals.
These compounds are very hard. The hardness of some borides is comparable to that of a diamond.
The conductivity exhibited by them is similar to their parent metal.
These compounds are chemically inert in nature.
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Write any four properties of interstitial compounds.
Write any four properties of interstitial compounds.
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Write any four properties of interstitial compounds.
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SOLUTION
Properties of interstitial compounds:They are hard and good conductors of heat and electricity.
Their chemical properties are similar to the parent metal.
Their melting points are higher than the pure metals.
Their densities are less than the parent metal.
Concept: Trends in Atomic Properties of the First Transition Series
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Chapter 8: Transition and Inner transition Elements - Short Answer Questions (Type-II)
Q 4.2 Q 4.1 Q 5.1
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SCERT Maharashtra Question Bank 12th Standard HSC Chemistry Maharashtra State Board 2022
Chapter 8 Transition and Inner transition Elements
Short Answer Questions (Type-II) | Q 4.2
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CBSE ICSE State Boards Free Study Material for Class 8th - 12th Find Zigya, Exam, NCERT Solutions Textbook Questions and Answers | Sample Papers, Previous Year Papers, Pre Board Papers, Book Store.
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