Analytical Chemistry Question 232

Question: For the preparation of sodium thiosulphate by ‘springs reaction-, the reactants used are

[EAMCET 2003]

Options:

A) $ Na_2S+Na_2SO_3+Cl_2 $

B) $ Na{ _2}S+SO_2 $

C) $ Na_2SO_3+S $

D) $ Na_2S+Na_2SO_3+ $

Show Answer

Answer:

Correct Answer: D

Solution:

$ Na_2S+I_2+Na_2SO_3\to Na_2S_2O_3+2NaI $