Question

the graph given below depicts a neutralization reaction acid + alkali - salt + water the ph of a solution changes as we add excess of acid to an alkali. which letter denotes the area of graph amount of base is maximum. option A option B option C option D.​

Answer 1

Answer:

The graph given below depicts a neutralization reaction (acid + alkali → salt + water).

The pH of a solution changes as we add excess of acid to an alkali.

Which letter denotes the area of the graph where both acid and salt are present?

A. A

B. B

C. C

Thank You

Answer 2

The graph is-

The correct option is A.

• The pH of salt or neutral substance is 7.
• The pH of acid is in the range of below 7 and basic substances have a pH greater than 7.
• The addition of acid changes the colour to red and the addition of base change the colour to blue.
• So, when we add an excess base to acid the pH of the solution changes to the basic range and the colour of the solution become blue.