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NCERT Class XI Chemistry The s-Block Elements Solutions

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Question : 19 of 32
Marks: +1, -0
Draw the structure of (i) BeCl2BeCl_2 (vapour) (ii) BeCl2BeCl_2 (solid).
Solution:  
(i) BeCl2BeCl_2 exists as a dimer in vapour phase, which dissolves into the linear monomer Cl–Be–Cl at 1200 K.
(ii) BeCl2BeCl_2 (solid): Beryllium chloride has a chain structure in solid state :
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