Advertisements
Advertisements
Question
Choose the most correct answer :
For pH > 7 the hydronium ion concentration would be _________.
Options
10-7M
< 10-7M
> 10-7M
≥ 10-7M
Solution
For pH > 7 the hydronium ion concentration would be `bb(underline(< 10^-7M)`.
RELATED QUESTIONS
It has been found that the pH of a 0.01M solution of an organic acid is 4.15. Calculate the concentration of the anion, the ionization constant of the acid and its pKa.
Assuming complete dissociation, calculate the pH of the following solution:
0.002 M KOH
Calculate the pH of the following solutions:
0.3 g of Ca(OH)2 dissolved in water to give 500 mL of solution.
Calculate the pH of the following solution:
0.3 g of NaOH dissolved in water to give 200 mL of solution.
The solubility of Sr(OH)2 at 298 K is 19.23 g/L of solution. Calculate the concentrations of strontium and hydroxyl ions and the pH of the solution.
Calculate the pH of the resultant mixtures: 10 mL of 0.01M H2SO4 + 10 mL of 0.01M Ca(OH)2.
Choose the most correct answer:
The pH of 10-8 M of HCl is ______.
Derive the relation pH + pOH = 14.
In NaOH solution [OH–] is 2.87 × 10–4. Calculate the pH of the solution.
Calculate the pOH of 10-8 M of HCl.
When CuSO4 solution in water is treated with concentrated HCl it turns _______.
Select the INCORRECT relation.
Which of the following when dissolved in water results in neutral solution?
Among the following, the CORRECT increasing order of acidity:
The percentage of pyridine (C5H5N) that forms pyridinium ion (C5H5NH) in a 0.10 M aqueous pyridine solution (Kb for C5H5N = 1.7 × 10−9) is ____________.
Equal volumes of three acid solutions of pH 1, 2 and 3 are mixed in a vessel. What will be the H+ ion concentration in the mixture?
What is the pH of the resulting solution when equal volumes of 0.1 M NaOH and 0.01 M HCl are mixed?
The Ka value for HCN is 10−9. What is the pH of 0.4 M HCN solution?
The aqueous solution of sugar does not conduct electricity. However, when sodium chloride is added to water, it conducts electricity. How will you explain this statement on the basis of ionisation and how is it affected by concentration of sodium chloride?
Assertion (A): Increasing order of acidity of hydrogen halides is \[\ce{HF < HCl < HBr < HI}\]
Reason (R): While comparing acids formed by the elements belonging to the same group of periodic table, \[\ce{H - A}\] bond strength is a more important factor in determining acidity of an acid than the polar nature of the bond.
Derive the relationship between pH and pOH.
What is the pH of a 2.6 × 10-8 MH+ ion solution? (log 2.6 = 0.4150)
Define pH.
Define pOH.
Derive relationship between pH and pOH.
Derive relationship between pH and pOH.
Derive the relation pH + pOH = 14.
Define pH.
Define pOH.
