Titration of HCl with NaOH

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Questions and Answers

What is the pH when no NaOH is added to 100 ml of 1 N HCl?

7
0
1 (correct)
14

What is the pH after adding 10 ml of 1 N NaOH to 100 ml of 1 N HCl?

3
5
6 (correct)
4

What is the pH at the equivalence point in the titration of 1 N HCl with 1 N NaOH?

7 (correct)
3
14
1

What happens to the pH after adding 101 ml of 1 N NaOH to 100 ml of 1 N HCl?

<p>The pH increases significantly above 7 (D)</p> Signup and view all the answers

What is a suitable indicator for the titration of 1 N HCl with 1 N NaOH?

<p>Phenolphthalein (A)</p> Signup and view all the answers

Flashcards

pH

The negative logarithm of the hydrogen ion concentration (H+). It measures the acidity or alkalinity of a solution. A pH of 7 is neutral, below 7 is acidic, and above 7 is basic.

Equivalence Point

The point where the moles of acid and base are equal in a titration. This is the point where the color change of an indicator is observed.

Indicator

A substance used to signal the endpoint in a titration. It changes color depending on the pH of the solution.

Normality (N)

The concentration of a solution expressed in terms of gram equivalents per liter. A 1N solution contains 1 gram equivalent of solute in 1 liter of solution.

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Titration

The process of adding a known volume of a standard solution (titrant) to a solution of unknown concentration (analyte) to determine the concentration of the analyte.

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