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Q. Give reasons for the following in one or two sentences only: -$BeCl_2$ can be easily hydrolysed.

IIT JEEIIT JEE 1999The s-Block Elements

Solution:

$Be$ in $BeCl_2$ is electron deficient, short of two lone pair of electrons from stable octet. $H_2O$ has lone pair of electrons, reacts with $BeCl_2$