What are the products of the reaction: SnCl4 + CH3OH + N2 + H2O?

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Discussion Overview

The discussion centers around the chemical reaction involving SnCl4, CH3OH, N2, and H2O, specifically seeking to identify the products of this reaction. The context includes applications in thin film technology and considerations of the roles of nitrogen and water in the reaction process.

Discussion Character

  • Exploratory, Technical explanation, Conceptual clarification, Debate/contested

Main Points Raised

  • Some participants question the involvement of nitrogen in the reaction, suggesting it may be used to remove dissolved oxygen rather than participate directly.
  • Others propose that water is unlikely to have a direct role in the reaction.
  • One participant suggests that SnCl4 acts as a mild oxidant, oxidizing methanol (CH3OH) to formaldehyde (HCHO), while preventing further oxidation to formic acid (HCOOH) by bubbling nitrogen through the solution.
  • A specific reaction equation is provided: SnCl4 + CH3OH → HCHO + SnCl2 + 2 H+ + 2 Cl–.
  • There is mention of formaldehyde's potential applications in forming network polymers and as a cross-linking agent in thin film technology.
  • Some participants express skepticism about the nature of the question, with references to concerns about it being a homework query.

Areas of Agreement / Disagreement

Participants express differing views on the roles of nitrogen and water in the reaction, indicating that there is no consensus on their involvement. The discussion remains unresolved regarding the complete understanding of the reaction products.

Contextual Notes

Limitations include uncertainty about the specific roles of nitrogen and water, as well as the dependence on the conditions under which the reaction is carried out.

citoca
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Please what are the products of this reaction; SnCL4 + CH3OH + N2 + H2O .
 
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I have some ideas about the answer, but can you provide a context for how the question arises? I cannot see how nitrogen can possibly be involved in any reaction, but can see why you might be bubbling nitrogen through the reaction mixture. Similarly water is unlikely to have direct involvement.
 
JohnRC said:
I have some ideas about the answer, but can you provide a context for how the question arises? I cannot see how nitrogen can possibly be involved in any reaction, but can see why you might be bubbling nitrogen through the reaction mixture. Similarly water is unlikely to have direct involvement.

This is for thin film technology.
 
OK then. I think the reaction you are wanting is carried out in aqueous solution with nitrogen bubbling through. The SnCl4 is a mild oxidant, designed to oxidize the methanol CH3OH to formaldehyde HCHO. Nitrogen is bubbled through the solution to remove dissolved oxygen, and prevent the oxidation reaction going further to formic acid HCOOH.

The reaction is SnCl4 + CH3OH → HCHO + SnCl2 + 2 H+ + 2 Cl.

Formaldehyde forms network polymers when reacted with phenol or melamine or similar materials. It might also be used as a cross-linking agent to harden some of the films you are working with.

(Reason for asking my previous question was that I wanted to try to check that this was not homework before "spilling the beans".:smile:)
 
Last edited:
JohnRC said:
(Reason for asking my previous question was that I wanted to try to check that this was not homework before "spilling the beans".:smile:)

You will be surprised when you learn what lies people tell to pretend the problem is not their homework.

- Mrs. Teacher? John is sick and he will not come to school today.
- Who is speaking?
- What do you mean "who is speaking"? My father!
 
Yeah, I did say "trying to check"!
 

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