Gold number of starch is 25. Amount of starch that should be added to 10 mL of Gold sol in presence of 1 mL of $10 %$ NaCl solution will be

250 g

No worries! We‘ve got your back. Try BYJU‘S free classes today!

0.025 g

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

0.25 g

No worries! We‘ve got your back. Try BYJU‘S free classes today!

2.5

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is B 0.025 g
Amount of starch (in mg) to be added to 10 ml of gold sol to prevent it's coagulation in the presence of 1 ml of $10 %$ NaCl solution is called gold number.
Amount of starch added : 25 mg or 0.025 g

Suggest Corrections

Similar questions

Gold number of starch is 25. Amount of starch that should be added to 10 mL of Gold sol in presence of 1 mL of $10 %$ NaCl will be

Q. On addition of one

1 m L

of solution of

10 %

N a C l

10 m L

of red gold sol in presence of

0.025 g

of starch, the coagulation is just prevented. The gold number of starch.

The coagulation of 100 mL of gold sol is prevented by addition of 0.25 g of starch to it before adding 1 ml of 10% NaCl solution. If the gold number of starch is x then $\frac{x}{5}$ is: ___

On the addition of 1 ml. of 10% solution of sodium chloride to 10 ml. of gold sol in presence of 0.025 g of starch, the coagulation is just prevented. The gold number of starch is

Q. On addition of one

m L

10

N a C l

solution to

10 m L

gold sol in presence of

0.25 g m

of starch, the coagulation is just prevented, starch has gold number:

Join BYJU'S Learning Program

Gold number of starch is 25. Amount of starch that should be added to 10 mL of Gold sol in presence of 1 mL of 10% NaCl solution will be

The correct option is B 0.025 gAmount of starch (in mg) to be added to 10 ml of gold sol to prevent it's coagulation in the presence of 1 ml of 10% NaCl solution is called gold number. Amount of starch added : 25 mg or 0.025 g

Gold number of starch is 25. Amount of starch that should be added to 10 mL of Gold sol in presence of 1 mL of $10 %$ NaCl solution will be

The correct option is B 0.025 g
Amount of starch (in mg) to be added to 10 ml of gold sol to prevent it's coagulation in the presence of 1 ml of $10 %$ NaCl solution is called gold number.
Amount of starch added : 25 mg or 0.025 g