wiz-icon
MyQuestionIcon
MyQuestionIcon
1
You visited us 1 times! Enjoying our articles? Unlock Full Access!
Question

How many of the following are negatively charged sols?
Pt,Au,Ag,Fe(OH)3,Al(OH)3,
As2S3,starch,clay,H4SiO4,eosin,
methyleneblue,Haemoglobin,Cu,CdS,
Congored,Cr(OH)3

Open in App
Solution

Colloidal particles always carry an electric charge. This charge may be positive or neagtive.
From the data given,
Negatively charged sols are:
Pt,Au,Ag,As2S3,Starch,
clay,H4SiO4,eosin,Cu,
CdS,Congo red
Positively charged sols are: Fe(OH)3, Al(OH)3, methyleneblue,Haemoglobin, Cr(OH)3

flag
Suggest Corrections
thumbs-up
11
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
Properties of Colloids
CHEMISTRY
Watch in App
Join BYJU'S Learning Program
CrossIcon