Question

blue litmus is introduce to a solution of ferric chloride

Answer 1

Solution of Ferric chloride is acidic ; therefore , blue litmus will change to red in this solution .

Answer 2

The color of litmus turns red from blue when it is introduced to a solution of ferric chloride.

Explanation:

• Litmus is a substance that is used to identify the acidity or basicity of the solution.
• They are readily available in two colors namely red and blue and in two forms namely as paper and solutions.
• The blue litmus remains unchanged in basic solution whereas turns red in the acidic solution.
• The ferric chloride is the acidic solution as it is formed due to the interaction of weak base iron oxide ($Fe_2O_2$) and strong acid hydrochloric acid (HCl).
• As it is an acidic solution, the color of the blue litmus changes to red when the litmus paper is introduced in ferric chloride solution.

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