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Which one of the following gives the highest amount of hydrogen ions(H+)?
  • a)
    Sodium hydroxide solution
  • b)
    Milk of magnesia
  • c)
    Lemon juice
  • d)
    Gastric juice
  • e)
    None of the above/More than one of the above
Correct answer is option 'D'. Can you explain this answer?
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Most Upvoted Answer
Which one of the following gives the highest amount of hydrogen ions(...
Explanation:


To determine which substance gives the highest amount of hydrogen ions (H+), we need to understand the concept of acidity and pH.

Acidity and pH:

- Acidity refers to the concentration of hydrogen ions (H+) in a solution.
- pH is a measure of the acidity or alkalinity of a solution. It is a logarithmic scale ranging from 0 to 14, where 0 is highly acidic, 14 is highly alkaline, and 7 is neutral.

Now, let's analyze each option given:

a) Sodium hydroxide solution:

- Sodium hydroxide (NaOH) is a strong base.
- When it dissolves in water, it dissociates into sodium ions (Na+) and hydroxide ions (OH-).
- Since it is a base, it does not produce hydrogen ions (H+).
- Therefore, sodium hydroxide solution does not give any hydrogen ions.

b) Milk of magnesia:

- Milk of magnesia is a suspension of magnesium hydroxide (Mg(OH)2) in water.
- Magnesium hydroxide is a weak base.
- When it dissolves in water, it releases some hydroxide ions (OH-), but not a significant amount.
- Therefore, milk of magnesia does not give a high amount of hydrogen ions.

c) Lemon juice:

- Lemon juice is acidic in nature.
- It contains citric acid (C6H8O7), which is a weak acid.
- When citric acid dissolves in water, it releases hydrogen ions (H+).
- Therefore, lemon juice gives a moderate amount of hydrogen ions.

d) Gastric juice:

- Gastric juice is the digestive fluid secreted by the stomach.
- It is highly acidic and contains hydrochloric acid (HCl).
- Hydrochloric acid is a strong acid that dissociates completely in water, releasing a high amount of hydrogen ions (H+).
- Therefore, gastric juice gives the highest amount of hydrogen ions among the given options.

e) None of the above/More than one of the above:

- This option is incorrect because gastric juice is the correct answer as it gives the highest amount of hydrogen ions.

In conclusion, gastric juice gives the highest amount of hydrogen ions (H+) among the options given.
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Community Answer
Which one of the following gives the highest amount of hydrogen ions(...
Gastric juice gives the highest amount of hydrogen ions (H+).
  • Gastric juice is made up of digestive enzymes, hydrochloric acid and other substances that are important for absorbing nutrients
  • Since hydrochloric acid is present in gastric juice, it gives large amount of H+ ions.
  • This is because hydrochloric acid is a strong acid.
OPTIONS EXPLANATION
  • Sodium hydroxide solution – It gives highest amount of OH- ions. It is also known as caustic soda.
  • Milk of magnesia – is a mild base, gives less amount of OH- ions.
  • Lemon juice – It is rich of citric acid. It gives less number of OH- ions.
  • This is because citric acid is an organic acid and all organic acids are weak acids.
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Which one of the following gives the highest amount of hydrogen ions(H+)?a)Sodium hydroxide solutionb)Milk of magnesiac)Lemon juiced)Gastric juicee)None of the above/More than one of the aboveCorrect answer is option 'D'. Can you explain this answer?
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