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(D) Equimolar solutions of the given alkaline earth metal chlorides in water result in the formation of their respective hydroxides: $MCl_2 + 2H_2O \r

Vedclass · Accepted Answer

$BaCl_2$

Vedclass · Answer

(D) Equimolar solutions of the given alkaline earth metal chlorides in water result in the formation of their respective hydroxides: $MCl_2 + 2H_2O \rightarrow M(OH)_2 + 2HCl$.The basic strength of alkaline earth metal hydroxides increases down the group as the metallic character increases and the ionization energy decreases.The order of basic strength is $Mg(OH)_2 Since $pH$ is directly proportional to the basic strength of the solution,the solution containing $BaCl_2$ will have the highest $pH$.

Equimolar solutions of the following were prepared in water separately. Which one of the solutions will record the highest $pH$?

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