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Assuming each solution to be 0.10 M , rank the following aqueous solutions in order of decreasing pH.

Rank the solutions from the highest to lowest pH. To rank items as equivalent, overlap them

N2H2

Ba(OH)2

HOCL

NAOH

HCL

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Answer:

  1. Ba(OH)₂
  2. NaOH
  3. N₂H₂
  4. HOCl
  5. HCl

Explanation:

The more basic a solution, the higher the pH.

The more acid a solution, the lower the pH.

  • Both Ba(OH)₂ and NaOH are strong bases. However, at the same concentration Ba(OH)₂ releases two OH⁻ species while NaOH only one, so the pH of 0.10 M Ba(OH)₂ is higher than that of 0.10 M NaOH.
  • N₂H₂ is a weak base while HOCl and HCl are acids, so N₂H₂ is next.
  • HOCl is a weak acid while HCl is a strong acid, so the lowest pH value would be of 0.10 M HCl.

pH is measured to have lower pH values than basic or alkaline solutions. The pH scale is logarithmic and inversely indicates the concentration of hydrogen ions in the solution.

The Ph value is calculated as follows:-

  • Increases the amount of [tex]H^+[/tex]
  • Decreases the amount of[tex]OH^-[/tex]

According to the question, the more basic a solution, the higher the pH, and the more acid a solution, the lower the pH.

Ba(OH)₂ and NaOH are strong bases. However, at the same concentration Ba(OH)₂ releases two OH⁻ species while NaOH only one, so the pH of 0.10 M Ba(OH)₂ is higher than that of 0.10 M NaOH.

N₂H₂ is a weak base while HOCl and HCl are acids, so N₂H₂ is next.  HOCl is a weak acid while HCl is a strong acid, so the lowest pH value would be  0.10 M HCl.

For more information, refer to the link:-

https://brainly.com/question/12271256

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