A substance is added to water and the pH of the water increases from 7.5 to 8.5.

Question

A substance is added to water and the pH of the water increases from 7.5 to 8.5. Which of the following statements is NOT true? Select one: a. Hydrogen ion concentration increased. b. Hydroxide reacted with hydrogen ions to produce water. c. Proton concentration decreased. d. Hydroxide ion concentration increased. e. The solution became more basic. A substance is added to water and the pH of the water increases from 7.5 to 8.5. Which of the following statements is NOT true? Select one: a. Hydrogen ion concentration increased. b. Hydroxide reacted with hydrogen ions to produce water. c. Proton concentration decreased. d. Hydroxide ion concentration increased. e. The solution became more basic. A substance is added to water and the pH of the water increases from 7.5 to 8.5. Which of the following statements is NOT true? Select one: a. Hydrogen ion concentration increased. b. Hydroxide reacted with hydrogen ions to produce water. c. Proton concentration decreased. d. Hydroxide ion concentration increased. e. The solution became more basic.

Explanation / Answer

a) if it is true, ph should have increased

b) If it is true, it is a neutralisation reaction so ionic concentration should decrease

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