Which of the following colloids can be coagulated by Al3+?
A
Haemoglobin.
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
TiO2
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
As2S3
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
D
CdS
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
Open in App
Solution
The correct options are CAs2S3 DCdS Al3+ is positively charged. Positively charged ion can coagulate negatively charged colloids. Out of the given options As2S3 and CdS are negatively charged colloids.