Acids

Which statement about the following equilibrium is true?

Why ${\mathrm{H}}_2{{\mathrm{PO}}_2}^{-}$ is not an acid?

How are Hydronium ions formed?

$\mathrm{HCl}$ is present in the gastric juice of our body then how it becomes inorganic acid?

Which of the following does not belong to strong acid?

Which one of the following is the weakest acid?

Select the mineral acid from the following 

One of the following is not an organic acid.This is 

Name the element which is common to all acids? 

• X is a strong acid with a pH value of 2.
• Y is a base that ionizes nearly 100% in water.
• Z is a base that can release hydroxide (OH) ions when dissolved in water. According to the information given above, in which of the following are the items X, Y, and Z correctly given?  

Which of the following organic acid is present in tomato?

Mineral acids are stronger acids than carboxylic acids because 

$\left(i\right)$ Mineral acids are completely ionised

$\left(ii\right)$ Carboxylic acids are completely ionised 

$\left(iii\right)$ Mineral acids are partially ionised 

$\left(iv\right)$ Carboxylic acids are partially ionised 

Which of the following is acidic in nature?

In the following reactions which property of an underlined substance is wrongly stated?

Which of the following ionisation equation for acid or base is wrong?

Equal volume aqueous solutions prepared with equal number of moles of KOH, HCl, KBr and HNO₃ are mixed in a single container.The resulting solution obtained

Which of the following matching is wrong?

The aqueous solution of which of the following is not acidic?

Item X shows following properties

• Its aqueous solution allows the passage of electric current.
• The number of moles of H⁺ ions in the aqueous solution is greater than the number of moles of OH^- ions.

Which of the following cannot be an item of X?

Which of the following is not basic?