Answer
Verified
393k+ views
Hint: $pH$ is unit or scale to measure the acidity or basicity of an aqueous solution or measure of concentration of H+ ions in the solution. pH scale is logarithmic and inversely gives the value of concentration of hydrogen ion in aqueous solution
Complete step by step answer:
pH is power of hydrogen as $pH$ is measure of concentration of hydrogen ion. $pH$ scale is logarithmic and inversely gives the value of concentration of hydrogen ions means $pH$ value increases when concentration of hydrogen ions decreases and vice-versa. And we can also say that $pH$ is the power of hydrogen.
So, $pH = - \log [{H^ + }]$
$pOH$ is a measure of concentration of hydroxide ions. For an aqueous solution, $pH + pOH = 14$then $pH = 14 - pOH$.
Hence, all three statements are true about the $pH$ of a solution.
So, the correct answer is option D.
Note:
$pH$ of a solution is used to measure its acidity or basicity. If $pH$ of a solution is less than 7 then it is acidic, if $pH$ is greater than 7 then it is basic or if $pH$ is equal to 7 then it is neutral (neither acidic nor basic). $pH$ of its solution is less than 0 if it is a very strong acid or $pH$ of solution can be greater than 14 if the solution has a very strong base.
Complete step by step answer:
pH is power of hydrogen as $pH$ is measure of concentration of hydrogen ion. $pH$ scale is logarithmic and inversely gives the value of concentration of hydrogen ions means $pH$ value increases when concentration of hydrogen ions decreases and vice-versa. And we can also say that $pH$ is the power of hydrogen.
So, $pH = - \log [{H^ + }]$
$pOH$ is a measure of concentration of hydroxide ions. For an aqueous solution, $pH + pOH = 14$then $pH = 14 - pOH$.
Hence, all three statements are true about the $pH$ of a solution.
So, the correct answer is option D.
Note:
$pH$ of a solution is used to measure its acidity or basicity. If $pH$ of a solution is less than 7 then it is acidic, if $pH$ is greater than 7 then it is basic or if $pH$ is equal to 7 then it is neutral (neither acidic nor basic). $pH$ of its solution is less than 0 if it is a very strong acid or $pH$ of solution can be greater than 14 if the solution has a very strong base.
Recently Updated Pages
Basicity of sulphurous acid and sulphuric acid are
Three beakers labelled as A B and C each containing 25 mL of water were taken A small amount of NaOH anhydrous CuSO4 and NaCl were added to the beakers A B and C respectively It was observed that there was an increase in the temperature of the solutions contained in beakers A and B whereas in case of beaker C the temperature of the solution falls Which one of the following statements isarecorrect i In beakers A and B exothermic process has occurred ii In beakers A and B endothermic process has occurred iii In beaker C exothermic process has occurred iv In beaker C endothermic process has occurred
What is the stopping potential when the metal with class 12 physics JEE_Main
The momentum of a photon is 2 times 10 16gm cmsec Its class 12 physics JEE_Main
How do you arrange NH4 + BF3 H2O C2H2 in increasing class 11 chemistry CBSE
Is H mCT and q mCT the same thing If so which is more class 11 chemistry CBSE
Trending doubts
Difference between Prokaryotic cell and Eukaryotic class 11 biology CBSE
Fill the blanks with the suitable prepositions 1 The class 9 english CBSE
Two charges are placed at a certain distance apart class 12 physics CBSE
Difference Between Plant Cell and Animal Cell
What organs are located on the left side of your body class 11 biology CBSE
Change the following sentences into negative and interrogative class 10 english CBSE
The planet nearest to earth is A Mercury B Venus C class 6 social science CBSE
The Equation xxx + 2 is Satisfied when x is Equal to Class 10 Maths
What is BLO What is the full form of BLO class 8 social science CBSE