# NEET Chemistry Surface Chemistry Questions Solved

BOARD

Out of $BaC{l}_{\mathit{2}}$ and $KCl$, which one is more effective in causing coagulation of a negatively charged colloidal $Sol$ ? Give reason.                                      (1 marks)

$BaC{l}_{\mathit{2}}$ because it has greater charge / +2 charge

Difficulty Level:

• 90%
• 10%