Consider the following statements: (a) Both acids and bases change colour of all indicators. (b) If an indicator gives a colour change with an acid, it does not give a change with a base. (c) If an indicator changes colour with a base, it does not change colour with an acid. (d) Change of colour in an acid and a base depends on the type of the indicator. Which of these statements are correct? (i) All four (ii) a and d (iii) b, c and d (iv) only d

Answer:  (iv) Only (d) is correct

The change of colour in acid and base depends on the type of indicator.

A substance that can be added to the reaction mixture to indicate the equivalence point of the titration. Coloured indicators are often used to measure pH. These indicators are a different colour in a basic environment than in an acidic environment. Since indicators are chemical compounds that change colour according to the pH of the solution they are put in.

Examples: Litmus paper and Methyl orange.

Was this answer helpful?


4.5 (1)

Upvote (1)

Choose An Option That Best Describes Your Problem

Thank you. Your Feedback will Help us Serve you better.

Leave a Comment

Your Mobile number and Email id will not be published. Required fields are marked *




Free Class