Structures of in solid state, vapour phase and at very high temperature respectively are:

Question

Structures of  in solid state, vapour phase and at very high temperature respectively are:

Canvas Classes · Accepted Answer

exists in different forms depending on conditions:

| Condition | Structure | Reason |
|---|---|---|
| Solid state | Polymeric (chain) | Be bridges through Cl atoms via dative bonds |
| Vapour phase | Dimeric () | Two  units linked by Cl bridges |
| Very high temperature | Monomeric () | High energy breaks all associations |

Answer: Option (4) — Polymeric, Dimeric, Monomeric

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