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 13, 2025
-> The SSC CGL Notification 2025 has been released on 9th June 2025 on the official website at ssc.gov.in.
-> The SSC CGL exam registration process is now open and will continue till 4th July 2025, so candidates must fill out the SSC CGL Application Form 2025 before the deadline.
-> This year, the Staff Selection Commission (SSC) has announced approximately 14,582 vacancies for various Group B and C posts across government departments.
-> The SSC CGL Tier 1 exam is scheduled to take place from 13th to 30th August 2025.
-> Aspirants should visit ssc.gov.in 2025 regularly for updates and ensure timely submission of the CGL exam form.
-> Candidates can refer to the CGL syllabus for a better understanding of the exam structure and pattern.
-> The 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.