Predicting Chemical Reactions: How to Determine and Write Out Products

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Discussion Overview

The discussion revolves around predicting chemical reactions and writing out the products for various chemical equations. Participants explore the nature of reactions, including oxidation and the behavior of halogens, within the context of chemical theory and reaction mechanisms.

Discussion Character

  • Homework-related
  • Technical explanation
  • Conceptual clarification
  • Debate/contested

Main Points Raised

  • Post 1 requests assistance in determining whether specific chemical reactions occur and how to write them out.
  • Post 2 claims that the reaction B is complete oxidation/combustion, providing a balanced equation for the combustion of C7H16.
  • Post 3 suggests that for reactions D and F, the size of the halogen atom affects the strength of the bond, implying that larger halogens have weaker bonds.
  • Post 4 argues that chlorine is a good oxidant but cannot oxidize fluorine, suggesting that no reaction occurs in D. It also states that chlorine can oxidize iodide in reaction F, producing iodine and chloride.

Areas of Agreement / Disagreement

Participants express differing views on the reactions, particularly regarding the outcomes of reactions D and F. There is no consensus on whether reactions D and F will produce products, and the discussion remains unresolved.

Contextual Notes

Participants have not fully explored the assumptions underlying their claims, such as the conditions required for reactions to occur or the definitions of oxidation in this context. Some steps in the reasoning process remain unresolved.

Raza
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I am suppose to write a chemical reactions for each of the following:

A) HNO3(aq) + Ca(OH)2(aq)

B) C7H16 + O2

C) Ca + KBr

D) Cl2 + HF

F) Cl2 + HI

How do I know if they have any chemical reactions and how do I write them out?

I really really really really really really need help in this and soon as possible.

Thanks :smile:
 
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B is complete oxidation /combustion
C7H16 + 11O2 -> 8H2O + 7CO2
 
For D) and F) I think you have to apply the following: As the halogen atom gets bigger, the bonding pair gets more and more distant from the nucleus. The attraction is less, and the bond gets weaker
 
Last edited:
Chlorine is a good oxidant, but not good to oxidize fluorine (actually, elemental fluorine can only be obtained with electrolysis; no redox reaction is available for fluorine). So I think no reaction will be produced in D. In E, chlorine is sufficiently powerful to oxidize iodide, giving iodine and chloride. Please do the rest by yourself.
 

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