Chapter 4, Problem 4.126QP

Interpretation Introduction

Interpretation:

The dimming of light, when addition of Barium hydroxide ${\text{Ba(OH)}}_{\text{2}}$ solution in Sulfuric acid ${\text{H}}_{\text{2}}{\text{SO}}_{\text{4}}$ solution should be explained.

Concept introduction:

Conductivity of water:

• Pure water is bad conductor of electricity but the ions present in it will conduct the electricity.
• The electrical conductivity of water is increased by increasing ions.

Precipitation reaction:

• If precipitate is formed, when two solutions are mixed together is known precipitation reaction.