15 حقيقة عن حمض الهيدروكلوريك + Fe2S3: مع تفاعل عدة عناصر


Hydrochloric acid consists of two chlorine atoms joined by a polar covalent bond to form a diatomic compound. Let us examine the chemical reaction between HCl and Fe2S3.

كلوريد الهيدروجين is dissolved in water and is a crucial chemical molecule for laboratories and a crucial acid for numerous reactions. Chemically, iron(III) sulphide has the formula Fe2S3. Iron(III) sulphide is a moderate water and acid-soluble iron source that can be used with sulphates.

In this article, we will examine the reaction of HCl + Fe2S3 as well as enthalpy, conjugate pairs, and titration.

ما هو منتج حمض الهيدروكلوريك والحديد2S3?

Iron(II) chloride(FeCl2), sulfur(S), and hydrogen sulphide(H2S) are the three primary byproducts formed when hydrochloric acid(HCl) and iron(III) sulphide(Fe2S3) combine.

حمض الهيدروكلوريك + الحديد2S3 → FeCl2 + H2S + S

ما هو نوع التفاعل HCl + Fe2S3?

حمض الهيدروكلوريك + الحديد2S3 هو رد فعل الأكسدة in which the reactant undergoes both oxidation and reduction simultaneously. When electrons are oxidized, they are lost, and when they are reduced, they are gained.

كيفية موازنة HCl + Fe2S3?

Following are the steps to balance the reaction mixture of (HCl + Fe2S3):

Step 1: Calculating the number of atoms in reactants and products

The first step in determining the number of atoms involved in reactants and products is to determine how many atoms are involved in each. According to the general equation, in reactants 1H, 2Fe, and 3S there is an increase in mass. There are 2H, 2S, 1Fe, and 2Cl in the product. 

حمض الهيدروكلوريك + الحديد2S3 = FeCl2 + H2S + S

Step 2: Comparing the number of molecules in reactants and products

In HCl-Fe2S3, the atoms or molecules are arranged in the same way. The first attempt at balancing has been made by multiplying 4 with HCl, 2 with H2S, and 2 with FeCl2

4HCl + Fe2S= 2 ح2S + S + 2FeCl2

Step 3: Calculate the coefficient

All variables and coefficients are calculated using the Gauss elimination method. This results in a coefficient of 4:1::2:1:2.

Step 4: Calculate the balanced chemical equation

In the final step, every element in the معادلة كيميائية is balanced, and when these elements are combined, the reaction occurs as follows: 

4HCl + Fe2S→ 2H2S + S + 2FeCl2

حمض الهيدروكلوريك + الحديد2S3 المعايرة بالتحليل الكيماوي

وفيما يلي المعايرة بالتحليل الكيماوي reaction between hydrochloric acid and iron(III) sulphide(Fe2S3):

4HCl + Fe2S3 → 2FeCl2 + 2H+2S + S

الجهاز المستخدم

Pipette, burette clamp, rubber tube with a syringe connected, grease stand with pencil, different-sized beakers (250 ml-1, 100 ml-3), and a 250 ml flask.

المعاير والمعيار

After the titer was taken in a دورق مخروطي, the molecule was analysed as iron sulphate. The titration will use hydrochloric acid as the titrant is poured into the burette.

مؤشر

Phenolphthalein, often known as ميتيل برتقالي, is an indicator that is green in basic pH and red in acidic pH.

إجراء:

  • 250 mL of a solution of hydrochloric acid should be made in a batch.
  • 100 mL of distilled water should be added to the solution to dilute it.
  • The mixture should be treated with drops of phenolphthalein or methyl orange solution.
  • The colour should initially change after titrating the iron(III) sulphide solution.
  • To get a reading, repeat the process three to four times.

حمض الهيدروكلوريك + الحديد2S3 صافي المعادلة الأيونية

Following are the steps involved in writing the Net ionic equation:

Step 1: Write the molecular equation in the balanced form:

4HCl + Fe2S3 → 2FeCl2 + 2H+2S + S

Step 2: Assign state to each substance as either a solid(s), liquid(l), gas(g), or aqueous(aq):

4HCl(عبد القدير) + الحديد2S3 (ق) → 2FeCl2 (عبد القدير) + 2H+2S(ز) + S(S)

Step 3: Separate each ion:

H2S → It is in gaseous form

FeCl2 → Fe2+ + 2 سل-

Fe2S3 2Fe2+ + 3S2-

حمض الهيدروكلوريك → H++ Cl-

Step 4: Write the complete ionic equation:

2Fe3+(عبد القدير) + 3S2-(عبد القدير) + 6H++(عبد القدير) + 6 سل-(عبد القدير) → 2Fe3+(عبد القدير) + 6 سل-(عبد القدير) + 3H+2S(S)

Step 5: Remove spectator ligand:

On both sides of the equation, Fe3+ و Cl- يتصرف مثل أيونات المتفرج, which can be removed.

الخطوة 6: المعادلة الأيونية الصافية: 

3S2-(عبد القدير) + 6H++(عبد القدير) → 3H2S(S)

حمض الهيدروكلوريك + الحديد2S3 زوج مترافق

  • In the reaction between iron sulphide and hydrochloric acid, the زوج مترافق comprises the hydrochloric acid’s conjugate base and the corresponding salt’s conjugate acid.
  • Iron sulphide reacts with acids to form the conjugate acid H2S because it is a base.
  • Base Pairs of conjugates = HCl
  • زوج حمض مترافق = H2S

حمض الهيدروكلوريك والحديد2S3 القوى بين الجزيئات

  • The intermolecular force between HCl and Fe2S3 is a dipole-dipole interaction or force of attraction.
  • Although HCl has two intermolecular forces—the قوة تشتت لندن and the dipole-dipole force, Dipole-dipole interactions have more force than the other. 
  • The H-Cl bond dipole generates the dipole-dipole forces because Cl is more electronegative than H.
  • Because HCl is polar, it interacts with other polar molecules through the dipole, Hδ +−Clδ−.

حمض الهيدروكلوريك + الحديد2S3 المحتوى الحراري للتفاعل

  • The reaction of Fe2S3 and hydrochloric acid has a -311.75 كيلوجول / مول standard reaction enthalpy.
  • Hydrochloric acid with Fe2S3 typically reacts with a negative المحتوى الحراري القياسي للتفاعل.
  • Mathematically,  δH = Hقائمة المنتجات - حيتفاعل = -ve

4HCl(عبد القدير) + الحديد2S3 (ق) → 2FeCl2 (عبد القدير) + 2H+2S(ز) + S(S)

ΔtH/ΔHf°= -928.4 kJ/mol -194.95kJ/mol – (-341.8 kJ/mol -29.83kJ/mol)

ΔtH/ΔHf°= -311.75 kJ/mol

هل HCl + Fe2S3 حل عازلة؟

The reaction of hydrochloric acid with Fe2S3 is not a buffer reaction because حلول عازلة don’t include strong acids or bases.

هل HCl + Fe2S3 رد فعل كامل؟

The reaction between HCl + Fe2S3 can be regarded as complete due to the اللارجعة of the reaction. As demonstrated in the following reaction, all of the reactant molecules will completely change into product molecules: 

4HCl + Fe2S3 → 2FeCl2 + 2H+2S + S 

هل HCl + Fe2S3 رد فعل طارد للحرارة أو ماص للحرارة؟

تفاعلات طاردة للحرارة بين Fe2S3 and HCl result in the production of more stable product molecules and the release of heat in the form of energy.

هل HCl + Fe2S3 رد فعل الأكسدة والاختزال؟

When HCl + Fe2S3 → FeCl2 + H2S + S, the reaction is redox in nature. Throughout the reaction, the components’ oxidation state stayed the same. It involves the exchange of electrons in redox reactions. Here, Fe is oxidised while H is reduced.

Fe + 2HCl → FeCl2 + H2

هل HCl + Fe2S3 رد فعل هطول الأمطار؟ 

Iron(III)sulphide and hydrochloric acid do not precipitate in the reaction, which is known as  HCl + Fe2S3. This reaction does not result in a ترسب because iron(III) chloride is a soluble salt.

هل HCl + Fe2S3 رد فعل قابل للعكس أو لا رجوع فيه؟

  • Iron(III)sulfide reacts irreversibly with hydrochloric acid because the reactant molecules undergo a displacement reaction, and the reaction cannot be reversed.
  • Displacement reactions are typically irreversible, in contrast to weak acid and base reactions.

هل HCl + Fe2S3 رد فعل الإزاحة؟

The reaction of HCl + Fe2S3 ومن المعروف باسم رد فعل الإزاحة because the two reactant molecules exchange atoms throughout the encounter to form two completely different compounds. The Fe atoms are replaced by H atoms from HCl to form H2S, and when Cl atoms and Fe atoms combine to form FeCl2.

في الختام

Iron(III) sulphide(Fe2S3) and hydrochloric acid(HCl) undergo a redox, displacement, and irreversible reaction. At room temperature, Fe2S3 decomposes into sulphur, hydrogen sulphide, and iron chloride. Chlorides are created using hydrochloric acid.

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