Question

Complete the table given below with the correct colours of different indicators in acidic, basic and neutral solutions.

• A. (i) – Green; (ii) – Yellow; (iii) – Blue; (iv) - Colourless
• B. (i) – Red; (ii) – Pink; (iii) – Yellow; (iv) - Green
• C. (i) – Blue; (ii) – Pink; (iii) – Yellow; (iv) - Green
• D. (i) – Red; (ii) – Pink; (iii) – Green; (iv) - Colourless

Answer 1

The correct option is D (i) – Red; (ii) – Pink; (iii) – Green; (iv) - Colourless

$\bullet$ Methyl orange turns red in acidic solutions and yellow in basic solutions and remains orange in neutral solutions.
$\bullet$ Phenolphthalein remains colourless in acidic solutions but turns pink in basic solutions. It remains colourless in neutral solutions.
$\bullet$ China rose solution turns dark pink or magenta in acidic solutions and green in basic solutions. It remains light pink in neutral solutions.

$\bullet$ Only option A contains the correct set of colours. Therefore, it is the correct option.