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Sulphuric acid, H2SO4 is an odorless, colorless, oily liquid that is extremely corrosive It was at first called Oil of Vitriol.
1. It occurs in both combined and free state.
2. It is framed close to the sulfide beds.
3. In the joined frame, it happens as metallic sulfates (salts in minerals).
Manufacture of Sulphuric Acid
Commercially, Sulphuric Acid can be prepared by two techniques that are as follows:
1. Lead chamber process
2. Contact process
Contact Process
The contact process includes three steps:
Step–I: Production of Sulphur Dioxide: This can be made by smoldering sulfur or sulfide ores, for example, iron pyrites in abundance of air.
S (Sulphur) + O2 (Oxygen) + Δ (Heating) → SO2 (Sulphur dioxide) 4FeS (Iron pyrites) + 7O2 (Oxygen) + Δ (heating) → 2Fe2O3 (Ferric Oxide) + 4SO2(Sulphur dioxide)
Step -II:
Formation of Sulphur Trioxide:
Sulphur dioxide is oxidized to sulphur trioxide with atmospheric oxygen within the sight of V2O5 as a catalyst.
2SO2 (Sulphur dioxide) + O2 (Oxygen) + V2O5 (Catalyst) → SO3 (Sulphurtriioxide)
Step -III
Conversion of Sulphur Trioxide into Sulphuric Acid:The sulfur trioxide shaped in the second step is broken up in 98% sulphuric acid to give pyrosulphuric acid or oleum. Oleum is then diluted or weakened with water to give sulphuric acid of the concentration that is required.
SO3 (Sulphur trioxide) + H2SO4 (Sulphuric acid-98%) → H2S2O7 (Pyrosulphuric acid -Oleum) H2S2O7 (Pyrosulphuric acid -Oleum) + H2O (Dilution ) → 2H2SO4(Sulphuric acid)
Lead Chamber Process
Lead Chamber process is one of the sulphuric acid manufacturing strategies which give just around 50-60 B grade acids. The fundamental standard of the procedure is that the wet SO2 (Sulfur Dioxide) in the nearness of nitrogenous oxides (dynamic impetus) is oxidized to sulfur trioxide with the oxygen exhibit in air. Sulfur trioxide is made to react with water to create sulphuric acid. The reactions would resemble beneath:
2SO2 + O2 → 2SO3
SO3 + H2O → H2SO4​
Sulphuric Acid is a very strong dibasic acid. It ionizes in two stages in aqueous solution:
Step 1: H2SO4(aq) + H2O(I) → H3O+(aq) + HSO4-(aq); Ka1 = very large (Ka1 greater than 10)Step 2: HSO4(aq) + H2O(I) → H3O+(aq) + SO42-(aq); Ka2 = 1.2 x 10-2
• The acid neutralizes alkalis and structures two arrangement of salts bisulphates and sulfates.
Example:
Concentrated sulphuric acid reacts with sodium hydroxide and structures sodium bisulphate and sodium sulfate.
H2SO4 (Conc.Sulphuric acid) + 2NaOH (Sodium hydroxide)→ 2NaHSO4 (Sodium bisulphate) + H2O (Water)H2SO4 (Conc.Sulphuric acid) + 2NaOH (Sodium hydroxide) → Na2SO4 (Sodium sulphate) + 2H2O (Water)
• Sulphuric acid is utilized as a part of the preparation of more volatile acids from their comparing salts as it is less volatile.
• Concentrated Sulphuric acid liberates hydrogen chloride from sodium chloride and hydrogen fluoride from calcium fluoride.
CaF2 (Calcium fluoride)+ H2SO4 (Conc. Sulphuric acid) → CaSO4(Calcium sulphate) + 2HF (Hydrogen floride)
• Concentrated Sulphuric acid is an intense dehydrating agent. This property is utilized as a part of drying many wet gasses that don’t react with the acid.
• Sulphuric acid additionally expels water from natural mixes like starches.
Example:
• It burns glucose, sugar, and starch to carbon.
C12H22O11(Cane sugar) + (H2SO4) → 12C (Carbon) + 11H2O (Water)
• Hot concentrated Sulphuric acid is a decent oxidizing agent. It oxidizes both nonmetals as well as metals and itself gets reduced to sulfur dioxide.

And many more reactions has been discussed in details.

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24 Comments

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  1. Sumit Sahu 3 years ago

    Thank u

  2. YOGESH ANNAPURNE 3 years ago

    Perfect work thanks !

  3. Pijush Paul 3 years ago

    Thanx again…

  4. Pooran Yadav 3 years ago

    Thanks sir
    Kya inorganic reactions mechanism complete ho gya

  5. IITian explains 3 years ago

    Our upcoming videos are from Coordination Chemistry.
    Stay Connected with us.
    Thanks

  6. NUCLEON CHEMISTRY 3 years ago

    Thanks a lot 4 this.MKA SIR don't forget to upload video on JOHN TELLER DISTORTION in your COORDINATION CHEMISTRY series.Plz Plz Sir.Becoz it is not available in all books & is important 4 NEET, JEE,AIIMS

  7. Prateek Singh 3 years ago

    thank you sir!!!!!

  8. vikas vikas 3 years ago

    Very good sir

  9. Swati Oneness 3 years ago

    Thanks sir

  10. Ananta Borah 3 years ago

    P4 reacts with thionylchloride to form PCl3 + SO2 + S2Cl2…
    Correct it and check NCERT book
    3.30 mint pe aapne bola it P4 doesnt react with SOCl2…

  11. Shailendra Singh 3 years ago

    Thx sir can I contact you

  12. Vishal Prajapati 3 years ago

    Superb sir.👍 👍

  13. mahi r 3 years ago

    Sir what about organic chemistry?? Even some topics of GOC and optical isomerism is left😥?? Why you are not following lecture plan given by you😥?? Please sir follow them as haphazard preparation is always hazardous….. And thank you for awesome videos…. Just one request more please follow the lecture plan and Thoda Jaldi Jaldi upload kariye please 😅😅

  14. tushar kkumar 3 years ago

    Sir please be said especially in this type of question sessions after writing the whole blackboard to take the screenshot please sir Infinity x

  15. Ubaid Fayaz 3 years ago

    Sir next video synergic bonding pls plsssssssssssssssssssss

  16. shivansg gupta 3 years ago

    Thanks sir 👍🏾

  17. rohan garg 3 years ago

    anion analysis please sir ,very imp. for inorganic

  18. Trilochana Bishoyi 3 years ago

    Thanks

  19. ARIZ SHAMIM 3 years ago

    Video on isomerism of coordination compound plz plz sir

  20. Sarthak Sharma 3 years ago

    I got 4 correct

  21. Bhaswar Basu 3 years ago

    could you please upload most of the inorganic chem content by the end of this month

  22. teraiya dharmik 3 years ago

    Sir one request … Plzz give ur gmail id … I have problems in organic chemistry nd my school faculty cant solves so plzz help me… Thank you and as usual best one… 😇✌👌👍

  23. Mahesh Babu 3 years ago

    Ab kuchhh tuchiye aayenge & videos unlike krenge.
    In lehan ke boudo se aur to kuch hoga nhi
    😂

  24. Kedar Kavade 3 years ago

    Very very thank you
    You are boosting our confidence

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