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 |
|---|
| 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) Bonding-I: 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) Periodic Trends: Trends in Bonding: orbital energies and effective nuclear charges; variation of orbital energy; electronegativity and orbital energy. (1 lecture) Properties of selected main group compound and application in daily life (2 lectures) 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. (4 lectures) MOs and organic reactions: Redistribution of electrons in a reaction; HOMO-LUMO interactions; sigma conjugation. (2 lectures) Nucleophilic substitution reactions (S N 1 and S N 2): Dependence of rate on steric effect, nature of solvent, nucleophiles and leaving groups. (4 lectures) |
| References |
|---|
| Reference Book
Chemical Structure and Reactivity: An Integrated Approach, James Keeler and Peter Wothers |
Course Credit Options
| Sl. No. | Programme | Semester No | Course Choice |
|---|---|---|---|
| 1 | IP | 1 | Not Allowed |
| 2 | IP | 3 | Not Allowed |
| 3 | IP | 5 | Not Allowed |
| 4 | MP | 1 | Not Allowed |
| 5 | MP | 3 | Not Allowed |
| 6 | MR | 1 | Not Allowed |
| 7 | MR | 3 | Not Allowed |
| 8 | MS | 1 | Core |
| 9 | RS | 1 | Not Allowed |
| 10 | RS | 2 | Not Allowed |