Question

Which of the following system will show Tyndall effect?

• A. (a) Aqueous solution of sodium chloride
• A. (b) Aqueous solutions of aluminium hydroxide
• A. (c) Aqueous solutions of glucose
• A. (d) Aqueous solution of urea

Answer 1

(b)

Sol. Aqueous solution of $\mathrm { Al } ( \mathrm { OH } ) _ { 3 }$ will show Tyndall effect since it is a colloidal solutions. All other solutions are true solutions.