S Block Elements Question 268
Question: Sodium thiosulphate is prepared by
[IIT 1996]
Options:
A) Reducing $ Na_2SO_4 $ solution with $ H_2S $
B) Boiling $ Na_2SO_3 $ solution with $ S $ in alkaline medium
C) Neutralising $ H_2S_2O_3 $ solution with $ NaOH $
D) Boiling $ Na_2SO_3 $ solution with $ S $ in acidic medium
Show Answer
Answer:
Correct Answer: B
Solution:
$ Na_2SO_3+S\xrightarrow{NaOH}\underset{Sod\text{. thiosulphate}}{\mathop{Na_2S_2O_3}} $
BETA
