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.
Last updated on Jun 9, 2025
-> The SSC CGL Notification 2025 will be released on 9th June 2025 at ssc.gov.in.
-> The SSC CGL application 2025 submission will be open from 9th June to 4th July 2025.
-> The SSC CGL Tier 1 Exam 2025 Dates have been revised. The SSC CGL Exam will be conducted from 13 August to 30 August, 2025.
-> Candidates can refer to the SSC CGL syllabus for a better understanding of the exam structure and pattern.
-> The SSC CGL Eligibility is a bachelor’s degree in any discipline.
-> Candidates selected through the SSC CGL exam will receive an attractive salary. Learn more about the SSC CGL Salary Structure.
-> Attempt SSC CGL Free English Mock Test and SSC CGL Current Affairs Mock Test.
-> Candidates should also use the SSC CGL previous year papers for a good revision.