NEET
- Exam
- NEET
- Subject
- Chemistry
- Chapter
- Hydrogen
NEET · Chemistry · Hydrogen
What reaction causes the formation of scum/precipitate when soap...
What reaction causes the formation of scum/precipitate when soap reacts with hard water?
Options
- AHydrolysis reaction
- BOxidation reaction
- CReduction reaction
- DPrecipitation reaction
Correct answer
D. Precipitation reaction
Step-by-step solution
When soap reacts with hard water, it forms scum/precipitate through a precipitation reaction, resulting in the formation of insoluble calcium or magnesium stearate.