Question
Download Solution PDFWhich of the following substance has a pH value of about 14?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFThe correct answer is Sodium hydroxide.
Key Points
- Sodium hydroxide (NaOH) dissociates completely in water to give Na+ and OH−
- Sodium hydroxide is considered a strong base as all the available [OH] in NaOH is present in the solution as [OH−] and available to accept protons.
- Sodium hydroxide is the strongest base because it totally dissociates to form sodium ions and hydroxide ions.
- These hydroxide ions are treated with hydrogen ions further from the acid and totally ionize the hydrogen ions.
- Producers may utilize sodium hydroxide to manufacture soaps, rayon, paper, products that explode, dyes, and petroleum products.
- Other works that may utilize sodium hydroxide comprise preparing cotton fabric, metal cleaning and preparing, oxide coating, electroplating, and electrolytic extraction.
- It has the pH value of about 14.
Additional Information
- The blood has a normal pH range of 7.35 to 7.45.
- Milk of Magnesia is basic in nature. The pH value of the Milk of Magnesia is 10.5.
- Lemon juice has a pH between 2 and 3.
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