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    Structure of beryllium chloride MCQ - Practice Questions with Answers

    Edited By admin | Updated on Sep 25, 2023 25:24 PM | #NEET

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    • 17 Questions around this concept.

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     Amongst LiCl, RbCl, BeCl_{2} \: and \: MgCl_{2}   the compounds with the greatest and the least 

    ionic character, respectively are :       .

     

    Assertion: $\mathrm{BeCl}_2$ is used in the semiconductor industry.

    Reason: $\mathrm{BeCl}_2$ is a good Lewis acid and can act as a dopant in semiconductors.

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    Concepts Covered - 0

    Structure of BeCl2
    • All metals on heating with halogens from halides of type MX2
      \mathrm{M+X_{2} \rightarrow M X_{2}}
    • BeCl2 cannot be prepared in aqueous solution due to formation of hydrated ion [Be(H2O)4]2+.
    • BeCl2 can be prepared by heating BeO in presence of coke in a current of chlorine gas.
    • Structure of BeCl2
      • In Solid State:
      • In Liquid State: Two forms of BeCl2 exist at different temperature. Above 1200K, monomeric form exists as shown below.

        Below 1200K, dimeric form exists as shown below.

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