For coagulation of arsenious sulphate sol, which one of the following salt solution will be most effective ?
Sulphide is $$-$$ve charged colloid.
As coagulation is directly proportional to the effective charge, so cation with maximum charge will be most effective for coagulation.
Al3+ > Ba2+ > Na+ coagulating power.
MCQ (Single Correct Answer)
JEE Main 2019 (Online) 9th January Evening Slot
At 100oC, copper (Cu) has FCC unit cell structure with cell edge length of x $$\mathop A\limits^o $$. What is the approximate density of Cu (in g cm$$-$$3) at this temperature ?
[Atomic Mass of Cu = 63.55 u]