The species among the following, which can act as an acid and a b… - Vidyadip

MCQ

The species among the following, which can act as an acid and a base is

✓
$HSO_4^ - $
B
$SO_4^{2 - }$
C
${H_3}{O^ + }$
D
$C{l^ - }$

✓

Answer

Correct option: A.

$HSO_4^ - $

(a) The species which can accept as well as donate ${H^ + }$ can act both as an acid and a base.

$\mathop {HSO_4^ - }\limits_{{\rm{base}}} + {H^ + }⇌ {H_2}S{O_4}$

$\mathop {HSO_4^ - }\limits_{{\rm{acid}}} ⇌SO_4^{2 - } + {H^ + }$

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