Topic: VSEPR theory and shapes of molecules· Chemical Bonding and Molecular Structure

The structures of beryllium chloride in solid state and vapour phase, are :

1. Chain and dimer, respectively

2. Linear in both

3. Dimer and Linear, respectively

4. Chain in both

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Answer: 1. Chain and dimer, respectively

Key idea: \(\mathrm{BeCl_2}\) is electron deficient and completes its octet by bridging.

In the solid state it forms a polymeric chain; in the vapour phase at about 1200 K it is a dimer (and linear monomer at higher temperature). Of the options, chain and dimer respectively is correct.

Doubtly AI · 30 Oct 2026 AI-generated · not yet verified Report

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The structures of beryllium chloride in solid state and vapour phase, are :

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