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##BeCl_2## and his brother ##BeH_2##

  1. May 4, 2015 #1
    1. The problem statement, all variables and given/known data
    There was a question about ##BeCl_2## and ##BeH_2## which had a statement :
    " Both have similar structure but different bonding. "
    Which was marked correct.

    2. Relevant equations


    3. The attempt at a solution
    The problem I am facing is that in the solution dotted lines are given between the B-H bond and solid arrows (##\longrightarrow##) for the B-Cl bond. So do those represent a hydrogen bond and a coordinate bond respectively?
     
  2. jcsd
  3. May 4, 2015 #2
    First hydrogen bond is for some specific atoms. What are those ?
     
  4. May 4, 2015 #3
    F, O and N.
     
  5. May 4, 2015 #4
    So what does it imply to your attempt?
     
  6. May 4, 2015 #5
    It doesn't form hydrogen bonds.... so is it a covalent one?
     
  7. May 5, 2015 #6
    Both BeCl2 and BeH2 are covalently bonded.
    The main difference is one exists as a polymer.
    The atom having lone pair can form dative or coordination bonds.
     
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