Question
Name the indicator that is red in acid and turns green when the solution becomes neutral. Enter your answer
Answer
4.1
(272 Votes)
Esme
Professional · Tutor for 6 years
Answer
The indicator is Litmus.
Explanation
## Step1: In chemistry, a pH indicator is a halochromic chemical compound added in small amounts to a solution so that the pH (acidity or basicity) of the solution can be determined visually by the color change that occurs when the solution changes its pH level. ## Step2: Various indicators change colors at different pH values. The one that is red in an acidic environment and turns green when the solution becomes neutral is known as litmus indicator. ## Step3: Blue litmus paper turns red under acidic conditions and red litmus paper turns white or blue under basic conditions and is often used to establish Near-neutral is indicated by a purple color. This is the result according to the characteristic of the Litmus indicator.