you are demonstrating the following activity to students. onion is chopped and dissolved in water; the resulting solution shows positive litmus test. choose the correct option for the phenomena?
Base is produced in the solution which turns red litmus blue; Base is produced in the solution which turns blue litmus red;Acid is produced in the solution which turns red litmus blue;Acid is produced in the solution which turns blue litmus red
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Answer:
Basic solutions subdue the pungent smell of onion, however acidic solutions have no such effect. Hence we can say that, the cloth strip must have been treated with a basic solution.
Explanation:
Answered by
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The correct option for the phenomenon is: Base is produced in the solution which turns red litmus blue.
- When an onion is chopped and dissolved in water, it releases a basic compound known as hydroxide ions (OH-). These hydroxide ions can react with the red litmus paper, causing it to turn blue. This is an indication that a basic solution is present. In contrast, an acid would not cause the red litmus paper to turn blue, but it would turn blue litmus paper red.
- A base, in chemistry, is a substance that can accept protons and has a pH greater than 7. Bases are the opposite of acids, which donate protons and have a pH less than 7.
- Bases can be classified into two types: strong bases and weak bases. Strong bases, such as sodium hydroxide (NaOH) and potassium hydroxide (KOH), fully dissociate in water and produce hydroxide ions (OH-). Weak bases, such as ammonia (NH3) and amines, only partially dissociate in water and produce hydroxide ions..
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