Details of CH1101 (Autumn 2025)
| Level: 1 | Type: Theory | Credits: 3.0 |
| Course Code | Course Name | Instructor(s) |
|---|---|---|
| CH1101 | Elements of Chemistry I | Biplab Maji, Debabrata Mukherjee |
| Syllabus |
|---|
| 1. Electrons in Atoms: Dual nature of light and matter; wave function for hydrogen atom: radial and angular part; introducing orbitals; hydrogen like atoms; multielectron atoms; orbital pictures, orbital energies, radial probability distribution; shape of s and p orbitals (7 lectures)
2. Bonding: Introducing Molecular orbitals: linear combination of AOs; bonding and anti-bonding MO; symmetry labels; MO diagrams; overlap and overlap integral (qualitative); H 2 , He 2 and their ions: rules for forming MOs; types of MOs formed from 2s and 2p; qualitative MO diagram of homonuclear diatomics and correlation with photoelectronic spectra. MO diagrams of heteronuclear diatomics: LiH, HF, CO, and NO; HOMO and LUMO. Hybrid orbitals. (8 lectures) 3. Periodic Trends: Trends in Bonding: orbital energies and effective nuclear charges; variation of orbital energy; electronegativity and orbital energy. (1 lecture) 4. Properties of selected main group compound and application in daily life (2 lectures) 5. Bonding in organic Molecules: Hybrid atomic orbitals; MOs in halides, alcohols, aldehydes, and ketones; delocalized bonding: pi MOs of butadiene and allyl systems, conjugation and color; resonance. (3 Lectures) 6. A brief introduction to radicals, stability of radicals, persistent and captodative radicals; carbocations: stability, stable carbocations in nature, long-lived carbocations (Olah), carbanions (4 Lectures) 7. Strengths of acids and bases; pK a and pK b scales, factors governing the strengths of organic acids and bases (3 Lectures) |
| References |
|---|
| Reference Book
1. Chemical Structure and Reactivity: Keeler and Wothers 2. Organic Chemistry: Clayden, Greeves and Warren 3. Molecular Orbitals and Organic Chemical reactions: Ian Fleming |
Course Credit Options
| Sl. No. | Programme | Semester No | Course Choice |
|---|---|---|---|
| 1 | IP | 1 | Not Allowed |
| 2 | IP | 3 | Not Allowed |
| 3 | MP | 1 | Not Allowed |
| 4 | MP | 3 | Not Allowed |
| 5 | MR | 1 | Not Allowed |
| 6 | MR | 3 | Not Allowed |
| 7 | MS ( Chemical Sciences ) | 1 | Core |
| 8 | RS | 1 | Not Allowed |
| 9 | RS | 2 | Not Allowed |