Sunita puts the following indicators in solutions A, B, C and makes the following observations:
|
Indicator |
Colour change in A |
Colour change in B |
Colour change in C |
|
Turmeric Phenolpthalein |
No change Colourless |
Reddish brown Pink |
Yellow Colourless |
The chemical nature of A, B, C respectively are:
1
acidic, basic, basic
2
basic, acidic, basic
3
basic, basic, acidic
4
acidic, basic, acidic