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JEE PYQ: S Block Elements Question 26

Question 26 - 2019 (09 Apr Shift 2)

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

(a) chain and chain (b) dimeric and dimeric (c) chain and dimeric (d) dimeric and chain

Show Answer

Answer: (c)

Solution

$\text{BeCl}_2$ in vapour phase exists as dimer (below 1200 K temperature) whereas, in solid state $\text{BeCl}_2$ has chain structure.


Learning Progress: Step 26 of 37 in this series