Gold numbers of protective colloids A, B, C and D are 0.50,0.01,0.10 and 0.005 respectively. The correct order of their protective power is

Question

Gold numbers of protective colloids A, B, C and D are 0.50,0.01,0.10 and 0.005 respectively. The correct order of their protective power is (A)  D< A< C< B  (B)  C< B< D< A  (C)  A< C< B< D  (D)  B< D< A< C

Tardigrade Admin · Accepted Answer

Smaller the value of gold number, greater will be-protective power of the protective colloid. Protective power of a colloid propto (1/ text gold number ) Hence, the correct order is A< C< B< D.

Q. Gold numbers of protective colloids $A, B, C$ and $D$ are $0.50, 0.01, 0.10$ and $0.005$ respectively. The correct order of their protective power is

$D < A < C < B$

$C < B < D < A$

$A < C < B < D$

$B < D < A < C$

Smaller the value of gold number, greater will be-protective power of the protective colloid.
Protective power of a colloid $\propto \frac{1}{gold number}$
Hence, the correct order is $A < C < B < D$ .

Q. Gold numbers of protective colloids A,B,C and D are 0.50,0.01,0.10 and 0.005 respectively. The correct order of their protective power is

D<A<C<B

C<B<D<A

A<C<B<D

B<D<A<C