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Bronsted Lowry Theory

Identify the ...

Question

Identify the compound which is a Bronsted Lowry base but not an Arrhenius base?

A

NaOH

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B

KOH

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C

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D

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Solution

The correct option is D

$N H_{3}$ is a Bronsted Lowry base, but not an Arrhenius base. It is because, $N H_{3}$ is a proton acceptor according to Bronsted Lowry theory, but it does not increase the concentration of $O H^{-}$ when mixed with water as per Arrhenius theory.

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Similar questions

Identify the compound which is a Bronsted Lowry base but not an Arrhenius base?

Q. Species that increases the concentration of

H^{+} a n d O H^{-} i o n s

in aqueous solution are called :

Q. Why is the Bronsted-Lowry definition of acids and bases more encompassing than the Arrhenius definition?

Q. Which compound requires use of the Bronsted-Lowry theory to be identified as a base?

Q. From the following reactions identify each of an Arrhenius acid or base, Bronsted-Lowry acid or base, or Lewis acid or base.
(A)

N a O H

N a O H \to {N a}^{+} + {O H}^{-}

H C l

H C l \to H^{+} + {C l}^{-}

N H_{3}

N H_{3} + H^{+} \to N H_{4}^{+}

N H_{4}^{+}

N H_{4}^{+} \to N H_{3} + H^{+}

{(C H_{3})}_{3} N :

{(C H_{3})}_{3} N : + B F_{3} \to {(C H_{3})}_{3} N : B F_{3}

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