Question

(ख) pH की परिभाषा दीजिए। इसका हाइड्रोजन आयन सान्द्रण से
क्या सम्बन्ध है?​

Answer 1

Answer:

the measure of acidity or alkalinity of water soluble substance

more the concentration of hydrogen ion less is the pH value means more is the acidic nature

Answer 2

pH is defined as the negative logarithm of hydrogen ion concentration present in the solution. The equation is $pH=-\log[H^+]$

Explanation:

pH is defined as the negative logarithm of hydrogen ion concentration present in the solution.  It is also known as power of hydrogen ions.

Mathematically,

$pH=-\log[H^+]$

where,

$[H^+]$ = concentration of hydrogen ions in the solution

There are three types of solution:

• If the solution has high hydrogen ion concentration, then the pH will be low and the solution will be acidic. The pH range of acidic solution is 0 to 6.9
• If the solution has low hydrogen ion concentration, then the pH will be high and the solution will be basic. The pH range of basic solution is 7.1 to 14
• The solution having pH equal to 7 is termed as neutral solution.

Learn more about pH of the solution:

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