Question:
The structures of beryllium chloride in the solid state and vapour, phase, respectively,are :
The structures of beryllium chloride in the solid state and vapour, phase, respectively,are :
Updated On: Apr 28, 2025
- chain and dimeric
- chain and chain
- dimeric and dimeric
- dimeric and chain
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The Correct Option is A
Solution and Explanation
$ {BeCl_2}$ exist as $ {(BeCl2)_{n}}$ polymeric chain in solid form, while $ {BeCl2}$ exist as dimer $ {(BeCl2)2}$ in vapour phase.
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Concepts Used:
Anomalous Behaviour of Beryllium
- Anomalous behavior of an element mentions the deviation of the properties and behavior of an element from its usual or normal behavior.
- Beryllium has a small atomic size as well as ionic size.
- The high ionization enthalpy and small size of alkaline earth metals reverberate in the formation of covalent compounds that are easy to hydrolyze.
- Their coordination number is not greater than 4 due to the presence of 4 electrons in the valence shell.
- Their oxide and hydroxide are amphoteric in nature.