Is the Synthesis of Sodium Dithionite Accurate?

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SUMMARY

The discussion centers on the accuracy of two chemical reactions involving sodium dithionite synthesis. The first reaction, 2 NaHSO3 + Zn → Na2S2O4 + Zn(OH)2, lacks empirical support, while the second reaction, 2 NaHSO3 + H2SO3 + Zn → ZnSO3 + Na2S2O4 + 2 H2O, appears to be more credible. Participants emphasize the importance of reaction conditions, which are not specified in the Wikipedia entry. A reference to a 1929 paper is suggested for further verification of the reactions.

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  • Understanding of basic inorganic chemistry principles
  • Familiarity with chemical reaction equations
  • Knowledge of sodium dithionite and its properties
  • Ability to interpret scientific literature and references
NEXT STEPS
  • Research the synthesis of sodium dithionite in scientific literature
  • Examine the 1929 paper referenced in the discussion for detailed reaction conditions
  • Study the role of zinc in redox reactions involving sodium dithionite
  • Explore the implications of reaction conditions on product yield in chemical reactions
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Chemistry students, researchers in inorganic chemistry, and professionals involved in chemical synthesis and reaction optimization will benefit from this discussion.

asamaid1
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is the following reaction right?

2 NaHSO3 + Zn → Na2S2O4 + Zn(OH)2

because i tried this reaction but i m not getting any Na2S2O4. I got this reaction in wikipedia. And i found another reaction in the net which is following:

2 NaHSO3 + H2SO3 + Zn ─→ ZnSO3 + Na2S2O4 + 2 H2O

Which one is right? Plz anyone can help me?
 
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Have you checked what the document (from which the wikipedia reactions is taken) says about reaction conditions?
 
Borek said:
Have you checked what the document (from which the wikipedia reactions is taken) says about reaction conditions?
No condition is stated there. please can u help me with more information. Thanks.
 
asamaid1 said:
No condition is stated there. please can u help me with more information. Thanks.

Sorry, I can't help you - but I am rather surprised by your statement. The document I fetched, while incomplete, says a lot about how this reaction is performed.
 
Really, where did u get that. I did find some information about the second reaction, but that is confusing. I did not find any information about the first. If u got any information please help me with that. I need that for my project. Thanks.
 
Have you checked the references? The equation is listed as coming for a paper published in 1929, and there is a link to this paper.
 

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