Why is Fe(OH)3 colloid positively charged,

Question:

Why is Fe(OH)3 colloid positively charged, when prepared by adding FeCl3 to hot water?

Solution:

When FeCl3 is added to hot water, the hydrated ferric oxide is formed. This hydrated ferric oxide preferably adsorbs Fe3+ ions resulting in the positively-charged colloid.

Leave a comment

Close

Click here to get exam-ready with eSaral

For making your preparation journey smoother of JEE, NEET and Class 8 to 10, grab our app now.

Download Now