Question
What are interstitial compounds? Why are such compounds well known for transition metals?
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Answer
In the crystal lattice of post-transition metals,when small sized atoms like H, N, B or C are arranged in the spaces (interspaces) between the atoms, then the compounds formed are called interstitial compounds.
Example : $TiC , Mn _4 N, Fe _3 H , VH _{0,56}$ and $TiH _{1,7}$ etc. metals in these compounds do not have any normal oxidation state. Transition elements have vacant orbitals, hence they form interstitial compounds easily.
Example : $TiC , Mn _4 N, Fe _3 H , VH _{0,56}$ and $TiH _{1,7}$ etc. metals in these compounds do not have any normal oxidation state. Transition elements have vacant orbitals, hence they form interstitial compounds easily.
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