Question:

The pair of compound which cannot exist together in solution is

Updated On: Jun 23, 2023
  • $NaHCO_3$ and $NaOH$
  • $NaHCO_3$ and $H_2O$
  • $NaHCO_3$ and $Na_2CO_3$
  • $Na_2CO_3$ and $NaOH$
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The Correct Option is A

Solution and Explanation

$NaHCO _{3}$ and $NaOH$ compounds cannot exist together in solution as

$NaHCO_3 +NaOH \to \underset{\text{Neutral salt}}{{Na_2CO_3}}+H_2O$

If acid and base present in same solution then they would react and $NaHCO _{3}$ is a slightly acidic compound, while $NaOH$ is a base. H-atom of $NaHCO _{3}$ replace by base, i.e. $NaOH$, give $Na _{2} CO _{3}$ and water
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Concepts Used:

Solutions

A solution is a homogeneous mixture of two or more components in which the particle size is smaller than 1 nm.

For example, salt and sugar is a good illustration of a solution. A solution can be categorized into several components.

Types of Solutions:

The solutions can be classified into three types:

  • Solid Solutions - In these solutions, the solvent is in a Solid-state.
  • Liquid Solutions- In these solutions, the solvent is in a Liquid state.
  • Gaseous Solutions - In these solutions, the solvent is in a Gaseous state.

On the basis of the amount of solute dissolved in a solvent, solutions are divided into the following types:

  1. Unsaturated Solution- A solution in which more solute can be dissolved without raising the temperature of the solution is known as an unsaturated solution.
  2. Saturated Solution- A solution in which no solute can be dissolved after reaching a certain amount of temperature is known as an unsaturated saturated solution.
  3. Supersaturated Solution- A solution that contains more solute than the maximum amount at a certain temperature is known as a supersaturated solution.