Bleach is not acidic; it is alkaline (basic). According to the provided reference, bleach has a pH between 11 and 13. This high pH level indicates that bleach is strongly alkaline, not acidic.
Understanding pH
The pH scale measures how acidic or alkaline a substance is. It ranges from 0 to 14:
- 0-6: Acidic (e.g., lemon juice, vinegar)
- 7: Neutral (e.g., pure water)
- 8-14: Alkaline or Basic (e.g., baking soda, bleach)
Why Bleach is Alkaline
The alkalinity of bleach is due to its chemical composition, primarily sodium hypochlorite (NaClO). This compound, when dissolved in water, creates a highly alkaline solution. This high alkalinity is what gives bleach its cleaning and disinfectant properties.
Bleach pH Summary
| Property | Value/Description |
|---|---|
| pH Range | 11 - 13 |
| Acidity | Not Acidic |
| Alkalinity | Highly Alkaline |
| Corrosiveness | Corrosive due to high alkalinity |
Practical Implications
- Corrosive Nature: The highly alkaline pH of bleach makes it corrosive, requiring careful handling and dilution.
- Cleaning Power: The strong alkalinity is what allows bleach to break down and remove stains, grime, and pathogens.
- Safety: Because of its high pH, bleach should never be mixed with acids, as this can produce dangerous gases. It is important to use bleach in well-ventilated areas and to always follow the instructions on the packaging.
Bleach is therefore not acidic but is strongly alkaline, with a pH between 11 and 13, making it a corrosive cleaning agent.
