Department of Pre-University Education, KarnatakaPUC Karnataka Science Class 12
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Explain Interstitial Compounds - Chemistry

Short Note

What are interstitial compounds ?

What are interstitial compounds ? Why do these compounds have higher melting points than corresponding pure metals ?

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Solution 1

Interstitial compounds :
Interstitial compounds are formed when small atoms such as H, C or N are trapped inside the crystal lattices of metals. They are usually nonstoichiometric and are neither typically ionic nor covalent.

Solution 2

(a) Interstitial compounds are those which are formed when small atoms like H, C, N, B etc. are trapped inside the crystal lattice of metals.
(b) They have melting point higher than metals due to stronger metal-non metal bonds or compared to metal-metal bonds in pure metals. 

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NCERT Class 12 Chemistry Textbook
Chapter 8 The d-block and f-block Elements
Q 12 | Page 234
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