Question

How strong are Acid Or Base solutions??​

Answer 1

Explanation:

The range from 0 to 14 gives a measurement of comparative strength of acid and base solutions. Pure water and other neutral solutions have a pH value of 7. A pH value less than 7 indicates that the solution is acidic, and a pH value greater than 7 indicates that the solution is basic.Jun

Answer 2

♥️JAI SHREE RAM ♥️

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Q ⇨ How strong are Acid Or Base solutions??

ANS ➜ We know how acid - base indicators can be used to distinguigh between an acid and a base . We have also learnt in the previous section about dilution and decrease in concentration of H+ or OH - ions in solutions.

Can we quantitatively find the amount of these ions present in a solution?

Can we judge how strong a given acid or base is?

We can do this by making use of universal indicator , which is a mixture of several indicator .

The universal indicator shows different colours at different concentrations of hydrogen ions in a solution

A scale for measuring hydrogen ion concentration in a solution , called pH scale has been developed. The p in pH stands for 'potenz' in German , meaning power . On the pH scale we can measure pH generally from 0 to 14 .pH should be thought of simply as a number which indicates the acidic or basic nature of solutions . Higher the hydronium ion concentration, lower is the pH value .

The pH of a neutral solution is 7. Values less than 7 on the pH scale represent an acidic solution .As the pH value increases from 7 to 14 ,it represents an increase in OH- ion concentration in the solution ,that is increase in the strenth of alkali .Generally paper impregnated with the universal indicator is used for measuring pH..