📘 BCHCT-131🌐 English Medium🗓️ 2026⚡ Instant Download
IGNOU BCHCT-131 Solved Assignment 2026 (English Medium)
IGNOU BCHCT-131 (Atomic Structure, Bonding, General Organic Chemistry and Aliphatic Hydrocarbons) ki January 2026 & July 2026 session ki solved assignment — English medium mein, sabhi 20 questions ke answers aur 22 pages ki PDF. Payment karo, PDF turant download karo aur topic aasaani se samjho. 📖
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📌 Programme: BSCG (B.Sc. General), BSCM (B.Sc. Major) · Course: BCHCT-131 — Atomic Structure, Bonding, General Organic Chemistry and Aliphatic Hydrocarbons · Session: January 2026 & July 2026 · Last date: 31 Mar 2026 (Jan 2026) / 30 Sep 2026 (Jul 2026), as per IGNOU portal.
📋 PDF Details
| 📄 PDF Details — BCHCT-131 | |
|---|---|
| 🏷️ Course code | BCHCT-131 — Atomic Structure, Bonding, General Organic Chemistry and Aliphatic Hydrocarbons |
| 🎓 University | IGNOU |
| 📚 Programme | BSCG, BSCM |
| 🗓️ Session | January 2026 & July 2026 |
| 🌐 Medium | English |
| ❓ Questions | 20 (sab solved) · total 100 marks |
| 📄 Pages | 22 pages (PDF file se gine hue) |
| 💾 Format | PDF · printable A4 · instant download |
| 👀 Free preview | Pehle 2 pages upar product images mein |
| 💰 Price | ₹29 |
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✅ Sabhi 20 questions solved
English medium · 22 pages — 2026 session ke assignment ke sawaal.
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📝 Questions covered
IGNOU BCHCT-131 assignment (January 2026 & July 2026) ke ye sawaal is PDF mein solved hain:
- Q1. Explain Geiger and Marsden’s α-particle experiment using a suitable diagram. 5 marks
- Q2. (a) Name different lines exhibited in the atomic spectrum of hydrogen.
(b) Write the de-Broglie relationship for dual nature of matter. Also define matter waves. 5 marks - Q3. Briefly discuss photoelectric effect. Also give the explanation of this effect given by Einstein. 5 marks
- Q4. (a) List the applications of Schrodinger equation.
(b) Explain the significance of ψ and ψ². 5 marks - Q5. What are four quantum numbers? Give their significance. 5 marks
- Q6. (a) Explain the stability of half-filled and completely filled orbitals giving suitable examples.
(b) Give any two examples of atoms showing anomalous electronic configurations. 5 marks - Q7. State and illustrate Fajan’s rules giving suitable examples. 5 marks
- Q8. (a) What is electronegativity? Arrange the following in the decreasing order of their electronegativities: K, F and I.
(b) Compare the characteristics of ionic and covalent compounds. 5 marks - Q9. (a) Write the resonance structures of dimethylsulphone.
(b) Give the type of hybridisation in the following molecules:
(i) BrF5
(ii) XeF2
(iii) [Ni(CN)4]2- 5 marks - Q10. (a) Draw py-py combination of atomic orbitals to give the suitable molecular orbitals.
(b) Calculate the bond order of F2 molecule from its molecular orbital configuration. PART-(B) 5 marks - Q11. (a) Assign the E or Z configuration to the following molecule giving the steps involved: FClC=C(CH2Br)(CH3) [one alkene carbon carries F and Cl; the other carries CH2Br and CH3]. Also assign the priorities to the different groups.
(b) How will you distinguish maleic acid and fumaric acid? 5 marks - Q12. (a) Assign R/S configuration to the following compound: a stereocentre carbon bearing Cl, Br, I and F. Also give the steps involved.
(b) Give example of a meso compound. Also comment on its optical activity giving reason. 5 marks - Q13. Draw the energy profile for various conformations exhibited by cyclohexane. Also explain the relative energies of various conformations. 5 marks
- Q14. Explain the relative stability of the following carbocations: (i) methyl carbocation (ii) a tertiary carbocation (iii) a primary carbocation (iv) a secondary carbocation 5 marks
- Q15. (a) Differentiate between the basicity and nucleophilicity giving suitable examples.
(b) Briefly explain the mechanism of β-elimination. 5 marks - Q16. (a) Briefly explain Kolbe’s electrolytic method for the synthesis of alkanes.
(b) What is aromatisation of gasoline? Illustrate giving appropriate reactions. 5 marks - Q17. State and explain Saytzeff rule giving a suitable example. 5 marks
- Q18. Explain retro Diels-Alder reaction giving a suitable example. 5 marks
- Q19. (a) (i) State Markownikoff’s Rule. (ii) What is peroxide effect? Explain.
(b) Write the reactions for the hydroboration of propene followed by the oxidation by alkaline H2O2. 5 marks - Q20. (a) How will you prepare 3-octyne from 1-hexyne? Write the steps involved.
(b) Write the products of oxidation of 2-hexyne using alkaline KMnO4. 5 marks
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❓ FAQ — aksar pooche jaane wale sawaal
Q. Kya ye BCHCT-131 ki 2026 session wali assignment hai?
Haan. Ye IGNOU BCHCT-131 assignment (January 2026 & July 2026 session) ke questions par based hai. Har question solved hai.
Q. PDF kis medium mein hai?
Ye PDF English medium mein hai. Kharidne se pehle check kar lein ki aapki assignment ka medium bhi yahi hai.
Q. PDF mein kitne pages / questions hain?
PDF mein 22 A4 pages hain (file se gine hue) aur sabhi 20 questions solved hain.
Q. Payment ke baad PDF kaise milegi?
Razorpay se secure payment (UPI, card ya net banking) karein. Download link payment ke turant baad screen par aata hai aur aapke email par bhi bheja jaata hai.
Q. Kya main ye answers seedha submit kar sakta/sakti hoon?
Nahi. Ye independent reference/study material hai, IGNOU ka official material nahi. Topic samjhein aur assignment apne words mein likhein.
Q. Ye assignment kis programme ke liye hai?
Ye IGNOU BCHCT-131 (Atomic Structure, Bonding, General Organic Chemistry and Aliphatic Hydrocarbons) ka January 2026 & July 2026 session (valid 1 Jan – 31 Dec 2026) ka tutor-marked assignment hai, jo BSCG (B.Sc. General), BSCM (B.Sc. Major) programme mein aata hai. Questions official IGNOU English PDF (BCHCT-131-English-2026.pdf) se liye gaye hain.
Q. PDF ka price kitna hai?
Sirf ₹29 flat. Koi coupon ya hidden charge nahi — UPI, card ya net banking se pay karein aur turant download karein.
Q. Assignment submit karne ki last date kya hai?
IGNOU portal ke anusaar January 2026 session ke liye 31 Mar 2026 aur July 2026 session ke liye 30 Sep 2026. Extension ke liye IGNOU website zaroor check karein.
Q. Kharidne se pehle sample kaise dekhein?
Product images mein PDF ke pehle 2 pages free preview ke roop mein diye gaye hain — quality aur format pehle check kar lein.
Q. Kya numericals aur reactions bhi solved hain?
Haan. Total 100 marks ke sabhi 20 questions (Part A + Part B) solved hain — numericals step-by-step, reactions/mechanisms aur definitions ke saath. PDF 22 pages ki hai.