Choose the incorrect statement/reaction.

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(A) $BCl_{3}$ is a Lewis acid and $NH_{3}$ is a Lewis base. They react to form an adduct,$BCl_{3} \cdot NH_{3}$,rather than undergoing a substitution

Vedclass · Accepted Answer

$BCl_{3} + NH_{3(g)} 	o BCl_{2}(NH_{2}) + HCl$

Vedclass · Answer

(A) $BCl_{3}$ is a Lewis acid and $NH_{3}$ is a Lewis base. They react to form an adduct,$BCl_{3} \cdot NH_{3}$,rather than undergoing a substitution reaction. Therefore,the reaction given in option $A$ is incorrect.$AlCl_{3}$ is highly hydrated in water to form $[Al(H_{2}O)_{6}]^{3+}$ ions,which are octahedral.$H_{3}BO_{3}$ acts as a Lewis acid in water by accepting $OH^{-}$ ions to form $[B(OH)_{4}]^{-}$.Borax in water hydrolyzes to form $H_{3}BO_{3}$ and $[B(OH)_{4}]^{-}$,creating a buffer solution with a basic $pH$.

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