Methyl orange is added to dilute hydrochloric acid and to aqueous sodium hydroxide
CHEMISTRY · Single correct · A Level · Chemistry · Acids and bases · Acids and bases
Problem
Methyl orange is added to dilute hydrochloric acid and to aqueous sodium hydroxide. What is the colour of the methyl orange in each solution?| Sample | colour in dilute hydrochloric acid | colour in aqueous sodium hydroxide |
|---|---|---|
| A | Orange | Red |
| B | Red | Yellow |
| C | Red | Orange |
| D | Yellow | Red |