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The s-Block Elements
Anomalous Behaviour of Beryllium
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- structure of BeCl2
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2021 1 question
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The structures of beryllium chloride in solid state and vapour phase, are:In the solid state, $BeCl_2$ exists in a polymeric chain form (bridging Cl atoms).
In the vapour state, it exists as a chlorine-bridged dimer (which dissociates into linear monomers at very high temperature).
So the structures are chain and dimer, respectively.