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HCl + C6H5NH2 → C6H5NH3Cl

The reaction of hydrogen chloride and aniline yields aniline hydrochloride. This reaction is an acid-base reaction and is classified as follows:

Table of contents
  1. 1Reaction data
  2. 2Thermodynamic changes
  3. 3References
  4. 4Related categories

Reaction data

Chemical equation

General equation

Reaction of acid and base
AcidBrønsted acid + BaseBrønsted base
SaltConjugate base + (H2O)(Conjugate acid)
Reaction of acid and non hydroxide base
AcidBrønsted acid + Non hydroxide baseBrønsted base
SaltConjugate acid base
Reaction of strong acid and weak base
Strong acidBrønsted acid + Weak baseBrønsted base
Salt of strong acid and weak baseConjugate base + (H2O)(Conjugate acid)

Oxidation state of each atom

Reaction of hydrogen chloride and aniline

Reactants

Chemical formulaNameCoefficientTypeType in general
equation
HClHydrogen chloride1
Brønsted acid
Acid
Strong acid
C6H5NH2Aniline1
Brønsted base
Base
Non hydroxide base
Weak base

Products

Chemical formulaNameCoefficientTypeType in general
equation
C6H5NH3ClAniline hydrochloride1
Conjugate base
Conjugate acid base
Salt
Salt of strong acid and weak base

Thermodynamic changes

Thermodynamic data of reactants

Chemical formulaStandard enthalpy
of formation
ΔfH°
kJ · mol−1
Standard Gibbs
energy of
formation
ΔfG°
kJ · mol−1
Standard
molar entropy
S°
J · K−1 · mol−1
Standard molar
heat capacity at
constant pressure
Cp°
J · K−1 · mol−1
HCl (g)-92.307[1]-95.299[1]186.908[1]29.12[1]
HCl (ai)-167.159[1]-131.228[1]56.5[1]-136.4[1]
C6H5NH2 (l)31.3[2]149.2[2]191.4[2]191.9[2]
C6H5NH2 (g)87.5[2]-7.0[2]317.9[2]107.9[2]
* (g):Gas, (ai):Ionized aqueous solution, (l):Liquid

Thermodynamic data of products

Chemical formulaStandard enthalpy
of formation
ΔfH°
kJ · mol−1
Standard Gibbs
energy of
formation
ΔfG°
kJ · mol−1
Standard
molar entropy
S°
J · K−1 · mol−1
Standard molar
heat capacity at
constant pressure
Cp°
J · K−1 · mol−1
C6H5NH3Cl

References

List of references

  1. 1
    Janiel J. Reed (1989)
    The NBS Tables of Chemical Thermodynamic Properties: Selected Values for Inorganic and C1 and C2 Organic Substances in SI Units
    National Institute of Standards and Technology (NIST)

  2. 2