Predict whether the following reactions occur

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SUMMARY

This discussion focuses on predicting the occurrence of specific chemical reactions at low temperatures. The reactions analyzed include ethylene (CH2CH2) with protons (H+), methyl bromide (CH3Br) with amines (RNH2), methane (CH4) with hydrochloric acid (HCl), and bromoethane (CH£Br) with cyanide (CN-). Key insights indicate that reaction (a) is a hydrogenation reaction, (b) and (d) involve nucleophilic substitution, while reaction (c) is unlikely to occur without radical mechanisms. Thermodynamic factors such as free energy and enthalpy are crucial for determining spontaneity.

PREREQUISITES
  • Basic understanding of organic chemistry reactions
  • Knowledge of thermodynamics, specifically enthalpy and free energy
  • Familiarity with reaction mechanisms, including hydrogenation and nucleophilic substitution
  • Experience with radical reactions and their conditions
NEXT STEPS
  • Study the principles of thermodynamics in chemical reactions
  • Learn about hydrogenation reactions and their catalysts
  • Explore nucleophilic substitution mechanisms in organic chemistry
  • Investigate radical reaction pathways and conditions for methane reactions
USEFUL FOR

Chemistry students, organic chemists, and anyone interested in understanding reaction mechanisms and thermodynamic principles in chemical processes.

Clari
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Hi there! i feel confused at a question in my homework:

Predict whether the following reactions can occur at low temperature
a) CH2CH2 + (H+)
b) CH3Br + RNH2
c) CH4 + HCl
d) CH£Br + (CN-)

I don't know what should be concerned, please help me. :rolleyes:
 
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Clari said:
Hi there! i feel confused at a question in my homework:

Predict whether the following reactions can occur at low temperature
a) CH2CH2 + (H+)
b) CH3Br + RNH2
c) CH4 + HCl
d) CH£Br + (CN-)

I don't know what should be concerned, please help me. :rolleyes:

free energy, whether each of the reactions will occur spontaneously at room temperature (that is the product will be major), you'll need to consider some thermodynamic data such as enthalpy. a) is a hydrogenation, commonly catalysis reaction, b) is a nucleophilic substitution along with d), and the reaction c) probably won't occur, unless via radical reaction.
 
i see...Thanks GCT, your help is appreciated. ^-^
 

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