' {\X} ' is a protecting colloid. The following data is obtained for preventing the coagulation of 10 {\mL} of gold sol to which 1 {\mL} of 10 \% {\NaCl} is added. What is the gold number of ' {\X} '? Expt No Weight of {\X} (in mg) added to gold sol Coagulation 1 24 Not prevented 2 23 Not prevented 3 26 Prevented 4 27 Prevented 5 25 Prevented [AP EAPCET 20 May 2024 Shift 1]

Surface Chemistry

Section: Chemistry

Question : 26 of 29

Marks: +1, -0

' X ' is a protecting colloid. The following data is obtained for preventing the coagulation of 10‌mL of gold sol to which 1‌mL of 10%NaCl is added. What is the gold number of ' X '?

Expt No	Weight of X (in mg) added to gold sol	Coagulation
1	24	Not prevented
2	23	Not prevented
3	26	Prevented
4	27	Prevented
5	25	Prevented

[AP EAPCET 20 May 2024 Shift 1]

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