Question

Which of the following is not a dibasic acid Single choice.



H2SO4

{COOH}2

HCOOH

H2SO3​

Answer 1

Answer:

Correct option is

D

Oxalic acid

Monobasic acids have a single replaceable hydrogen atom.

A. HI

B. HOCl

C. H−COOH

D. HOOC−COOH

Oxalic acid has two replaceable hydrogen atoms so it is not monobasic acid.

Answer 2

Answer:

The correct answer is HCOOH (Formic acid), it is monobasic because it has only one replaceable hydrogen atom.

Explanation:

We are aware that the presence of hydrogen in acids is mostly responsible for their general properties. Without hydrogen atoms, there can be no acids at all.

The basicity of the acids determines how they are categorized. The quantity of ionizable hydrogen ions that are present in an acid molecule is known as its basicity.

Dibasic acid relating to an acid that contains two hydrogen atoms that can be replaced by metal ions.

The simplest carboxylic acid, formic acid, just has one carbon. is a helpful organic synthesis reagent that occurs naturally in a variety of sources, such as the venom of bee and ant stings.

This also looses a proton to form $HCOO^{-1}$ and $H^{+}$. It can not loose the hydrogens that are attached to C since carbon is not electro negative and thus CH bond does not break easily. Since it looses one proton only so it is a monobasic acid.

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