-The pH value of four solutions A, B, C and are 0, 11, 5,8 which
of them has highest hyduogen ion
concentration?
Answers
Explanation:
THE SOLUTION 'A' HAS THE HIGHEST HYDROGEN ION CONCENTRATION.
BECAUSE IT IS MORE ACIDIC IN NATURE THAN THE OTHER THREE.
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Primary School Science 5 points
You have four solution A,B,C and D.The ph of solution A is 6,B is 9,C is 12 and D is 7.a) identify the most acidic and most basic solution b) arrange the above four solution in the increasing order of H+ ions concentration. c) state the change in colour of pH paper on dipping in solution C and D.
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Answers
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a) The most acidic solution: Solution A
The most basic solution: Solution C
b) Arrangement per increasing order of H+ ions concentration: solution A, B, D, C.
c) Change in colour of pH paper on dipping in solution: Red litmus paper turns blue since it is an alkaline solution with a pH of 12.
EXPLANATION:
Change in colour of pH paper on dipping in solution D: Changes to purple colour, since it is a neutral solution with pH of 7
The pH is the measure of total "hydrogen ion concentration" in a solution that determines the "acidity" or "basicity" of the solution. IUPAC definition of pH is equated as:
pH = +log aH+, where aH+ refers to hydrogen ion concentration or activity in a solution.
The pH scale range from '0' to '14': At a constant temperature of 250C, aqueous solution with 'pH' less than '7' are acidic; 'pH' greater than '7' are 'basic'; at 'pH' of '7', it is 'neutral' in nature. Solutions with low pH have more hydrogen ion concentration and high pH has less concentration.