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Acids bases and salts

Which one of the following species acts as both Bronsted acid

Question

Medium

Solving time: 3 mins

Which one of the following species acts as both Bronsted acid and base?

A

H_{2} PO_{2}^{-}

B

HPO_{3}^{2 -}

C

HPO_{4}^{2 -}

D

All of the above

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Book:

Arihant Chemistry JEE Main Chapterwise Solutions (2019-2002) (Arihant)

Exam:

JEE Mains 2002

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Text solutionVerified

Exp. (c) According to Bronsted Lowry concept of acids and bases, an acid is a proton donor whereas a base is a proton acceptor. Thus, according to this concept,

HPO_{4}^{2 -}

can easily donate a proton and also accepts a proton on reaction with water.

HPO_{4}^{2 -} + H_{2} O ⇌ PO_{4}^{3 -} + H_{3} O^{+}

HPO_{4}^{2 -} + H_{2} O ⇌ H_{2} PO_{4}^{2 -} + OH^{-}

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Question Text	Which one of the following species acts as both Bronsted acid and base?
Topic	Equilibrium
Subject	Chemistry
Class	Class 11
Answer Type	Text solution:1
Upvotes	65