The pH value of a sample of hydrochloric acid is 2. pH value of this sample when diluted by adding water will

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Q.
The pH value of a sample of hydrochloric acid is 2. pH value of this sample when diluted by adding water will be:

1 less than 2 but more than 0

2 more than 2 but less than 7

3 more than 7

4 no change in pH

Ans.
(2)

When we add water to the solution of hydrochloric acid (pH = 2), the pH will increase till 7 but it will be less than 7 as it contains more hydrogen ions ( $H^{+}$ ions) as compared to hydroxide ions ( $O H^{-}$ ions). So, the pH on dilution will be more than 2 but less than 7.

Solution

Q.
The pH value of a sample of hydrochloric acid is 2. pH value of this sample when diluted by adding water will be:

1 less than 2 but more than 0

2 more than 2 but less than 7

3 more than 7

4 no change in pH

Ans.
(2)

When we add water to the solution of hydrochloric acid (pH = 2), the pH will increase till 7 but it will be less than 7 as it contains more hydrogen ions ( $H^{+}$ ions) as compared to hydroxide ions ( $O H^{-}$ ions). So, the pH on dilution will be more than 2 but less than 7.

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Solution

Q. The pH value of a sample of hydrochloric acid is 2. pH value of this sample when diluted by adding water will be:

1 less than 2 but more than 0

2 more than 2 but less than 7

3 more than 7

4 no change in pH

Ans. (2) When we add water to the solution of hydrochloric acid (pH = 2), the pH will increase till 7 but it will be less than 7 as it contains more hydrogen ions (H+ions) as compared to hydroxide ions (OH-ions). So, the pH on dilution will be more than 2 but less than 7.

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Q.
The pH value of a sample of hydrochloric acid is 2. pH value of this sample when diluted by adding water will be:

Ans.
(2)

When we add water to the solution of hydrochloric acid (pH = 2), the pH will increase till 7 but it will be less than 7 as it contains more hydrogen ions ( $H^{+}$ ions) as compared to hydroxide ions ( $O H^{-}$ ions). So, the pH on dilution will be more than 2 but less than 7.