When a flask containing sodium thiosulfate is placed over a paper marked with X and HCl added to it, the X seems to disappear when looked through the flask. Why?

Question

When a flask containing sodium thiosulfate is placed over a paper marked with  X  and HCl added to it, the  X  seems to disappear when looked through the flask. Why?

TuteeHUB · Accepted Answer

Because of release of yellowish chlorine gas

TuteeHUB · Answer

Because of formation of sodium chloride

TuteeHUB · Answer

Because of sulfur precipitating

TuteeHUB · Answer

Because of release of yellowish chlorine gas

TuteeHUB · Answer

Because of dissolution of sulfur

1.	When a flask containing sodium thiosulfate is placed over a paper marked with X and HCl added to it, the X seems to disappear when looked through the flask. Why?
A.	Because of formation of sodium chloride
B.	Because of sulfur precipitating
C.	Because of release of yellowish chlorine gas
D.	Because of dissolution of sulfur
Answer» C. Because of release of yellowish chlorine gas

When a flask containing sodium thiosulfate is placed over a paper marked with X and HCl added to it, the X seems to disappear when looked through the flask. Why?

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