Home
Class 12
CHEMISTRY
Define gold number....

Define gold number.

Text Solution

Verified by Experts

The number of milligrams of protective colloid which just prevents Coagulation of 10 ml (10 cm) of standard gold Sol when 1 ml of 10% NaCl solution is added to it.
Promotional Banner

Topper's Solved these Questions

  • SURFACE CHEMISTRY

    OSWAAL PUBLICATION|Exercise TOPIC - 3 (COLLOIDS, TYPES OF COLLOIDS, CHARACTERISTICS AND PREPARATION OF COLLOIDS)(LONG ANSWER TYPE QUESTIONS-I)|8 Videos

  • SURFACE CHEMISTRY

    OSWAAL PUBLICATION|Exercise TOPIC - 3 (COLLOIDS, TYPES OF COLLOIDS, CHARACTERISTICS AND PREPARATION OF COLLOIDS)(LONG ANSWER TYPE QUESTIONS-II)|14 Videos

  • SURFACE CHEMISTRY

    OSWAAL PUBLICATION|Exercise TOPIC - 3 (COLLOIDS, TYPES OF COLLOIDS, CHARACTERISTICS AND PREPARATION OF COLLOIDS)(VERY SHORT ANSWER TYPE QUESTIONS)|9 Videos

  • SOLVED PAPER II PUC TOPPER'S ANSWER MARCH-2015

    OSWAAL PUBLICATION|Exercise PART -D|30 Videos

Similar Questions

Explore conceptually related problems

Define Wave number.

The coagulation of 10 ml of gold sol is just prevented on adding 1 ml solution of 10% NaCl in the presence of 0.025 g of starch. The gold number of starch is:

The gold numbers of three protective colloids A, B and Care 0.05, 0.01 and 0.5 respectively. The decreasing order of their protective power is:

Gold number gives:

Define oxidation number?

Define reducing agent/ reductants interms of oxidation number.

Define effective resistance of a number of resistors connected in a series or parallel combination