Videos
Introduction to Bonding
4736
Orbital Overlap Concept
2198
Types of Overlapping
2763
VSEPR & Hybridisation
4130
Identifying Shape & Geometry
2399
Methods of Finding Hybridisation
3847
Variation in Bond Angles
2582
Bond Angles & Electronegativity
1778
Bent's Rule
5122
Drago's Rule & Resonance
2848
Coordinate Bond & Back Bonding
2677
Electron Deficient Bonding
6005
Intermolecular Forces
3425
Dipole Moment: Introduction
2518
Cases of Dipole Moment
4464
Intermolecular Forces: Applications
3826
Ionic Bond
4152
Fajan's Rules
1482
Molecular Orbital Theory
3191
MOT: Applications
1847
Metallic Bonding
2686
Practice Set 1 for JEE
5391
Practice Set 2 for JEE
5766
Practice Set for NEET
3558
Practice on NEET
3493
Analysis of past Papers
160
Overview of VSEPR Theory
175
Hybridisation Revisited
94
Solved Problem - 1
87
Solved Problem - 2
34
Solved Problem - 3
87
Solved Problem - 4
103
Solved Problem - 6
150
Solved Problem - 5
147
Solved Problem - 8
154
Solved Problem - 7
68
MOT Overview
125
Bond Order Overview
53
Solved Problem - 9
152
Solved Problem - 11
73
Solved Problem - 10
120
Dipole Moment
162
Solved Problem - 12
66
Solved Problem - 13
76
Solved Problem - 14
70
What's in a Bond?
239
Kossel's Approach!
370
Lewis Dot Structures
285
Hypovalent & Odd e- Species
311
Practice 1
608
Practice 2
179
Practice 3
220
Formation of Sigma and Pi MOs-I
647
Metallic Bonding: Introduction
444
Coordinate Bond
480
Formal Charges
548
Let's Practice Some!
819
Hypervalent Species
310
Formation of Sigma and Pi MOs-II
141
Metallic Bonding: Properties I
254
Less Than 14 Electrons!
593
Lewis Approach!
297
Metallic Bonding: Properties II
484
Case of Charged Bodies
282
Band theory: Intro
842
Band theory: CB vs VB
213
Potential Energy
157
Magnetic Behaviour!
487
Chemical Bond
231
Forces Between the Atoms
528
Potential Energy of Charged Species
88
Potential Energy of Interacting Atoms
351
Bond Length
41
Valence Bond Theory
382
Practice 1
385
Practice 2
583
Bond Formation Energy
38
Valency of atom/number of Valence Electrons
113
Kossel Theory
191
Overlapping of Atomic Orbitals
720
Electrovalency
10
Types of Overlapping
184
Lewis Dot Representation (atoms and molecules)
152
Existence of Molecules
489
Kernel
66
Directional Properties of Bonds
387
Sigma Bond and It's Types
207
Bond Order
433
Introduction to Pi Bonds
317
Sigma Overlapping
193
Multiple Pi bond Formation
331
Sigma Bond
193
Practice 1
150
Practice 1
210
Practice 2
388
pi Overlapping
271
Practice 3
168
pi Bond
263
Practice 4
158
Strength of sigma and pi bonds
42
Practice 5
232
Practice 6
119
Calculation of no. of Sigma and pi bonds in Molecules
113
Valence Shell Electron Repulsion Theory
159
Predicting Shape and geometry of Molecules
133
Limitations of VBT-I
260
Limitations of VBT-II
323
Repulsion Between Electron Pairs
168
Shape vs Geometry
47
Hybridisation
137
New Theories
201
VSEPRT: An Introduction
296
VBT vs Hybridisation
182
VSEPRT: Case of Multiple Bonds
239
Conditions for Hybridisation
115
Salient Features of Hybridisation
214
Practice 2
245
Hybrid Atomic Orbitals
228
Need for a New Theory!
210
Types of Hybridisation
8
Hydridisation: The Rescuer
177
Examining Hybrid Orbitals
323
Hybrid Orbital: % s Character
230
Limitations of Octet Rule
617
Features of Hybridisation
261
Odd Electron Species
133
sp Hybridisation
34
Steric Number: An Introduction
406
Steric Number 2 and 3
422
sp2 hybridisation
97
Steric Number 4
237
Steric Number 5: Geometry
215
sp3 hybridisation
72
Steric Number 5: Shapes
267
Steric Number 6 and 7
426
sp3d hybridisation
125
Band theory: Let's Go Deeper!
416
sp3d2 hybridisation
86
Single, Double and Triple Bonds
52
Covalency
25
Rules for Writing Lewis Structures
987
Coordinate Bond
479
MOT: Introduction
397
Electron Donor and Acceptor
421
Atomic and Molecular Orbitals
277
LCAO Method: Introduction to BMO & ABMO
502
More Than 14 Electrons!
591
Covalent Bond
277
Knock knock: A Lone Pair!
256
Rule of 8/octet rule
277
Presence of more lone pairs
358
Case of Double Bond!
431
Lewis Theory
353
Practice 1
119
Practice 2
409
Practice 3
336
Bonding & Non-Bonding Electron Pairs
51
Practice 4
396
Paired and Unpaired Electrons
52
Expanded Octet Configuration
112
Hypervalent Compounds
180
Practice 5
240
Hypovalent Compounds
57
Noble Gas Compounds
43
Valence Bond Theory
299
Fajan's Rule- Introduction
318
s-s, s-p, p-p Overlapping
586
Position of Atoms Change?
433
Positive, Negative and Zero Overlap
586
Limitations of Valence Bond Theory
560
Practice 1
389
Practice 2
212
How Much Covalent Character?
210
bond angle
88
Practice 3
158
sp3d3 Hybridisation
81
%s and p Character
228
Effect of Lone pair on Hybridisation
74
Practice 4
381
Effect of pi Bond or pi Electrons on Hybridisation
65
Effect of Vacant Atomic Orbital on Hybridisation
74
Practice 5
181
Effect of Sigma Electron Pair or Sigma Bond on Hybridisation
100
Effect of single Bond on Shape and Geometry
177
Effect of pi bond on Shape and Geometry
177
Effect of Lone Pair on Shape and Geometry
150
Steric Number
41
Deeper into the Ions !!
676
Pseudo Inert gas Configuration
255
Lone pair-Bond pair vs Bond pair-Bond pair Repulsion
167
Effect of Repulsion of Lone pair on Shape of Molecule
102
Lone pair- Lone pair vs Lone pair- Bond pair Repulsion
73
lp-lp vs lp-bp vs bp-bp Repulsion
17
New Rule Coming Your Way!
752
Drago's Rule: Let's Ace It
244
Competing Nuclei- Ionic Bond
222
Drago's Rule: More Practice!
254
Factors favouring Ionic bond
303
Double Bond - Single Bond vs Single Bond - Single Bond Repulsion
128
Chemistry of Ions
198
Resonance: Let's Get Started
555
Double bond- Double bond > Double bond- Single bond > Single bond- Single bond repulsion
102
Breaking and Forming of a Lattice
320
Factors Affecting L.E.
438
EN difference of Bonded Atoms and Bond Angle
175
Practice 1
118
EN difference of Bonded Atoms and Hybrid Orbitals
215
Practice 2
115
Drago's Rule
164
Let's Dissolve the Lattice
508
Conditions for Drago's Rule
73
Enthalpy of Solution
256
What Makes a Salt Soluble?
231
Factors Affecting S.E.
259
Applications of H.E.
386
Factors Affecting Solubility
732
Drago's Rule and Hybridisation
275
IMF vs Temperature
300
Resonance: Dive More into It!
511
Tougher I2 to Fragile Cl2
181
Let's Practice!
128
Order of Boiling Point
337
Physical States
234
Levelling Up!
366
The Next Family - N and O
185
Flow Tendency: Glycerol and Water
251
Solute- Solvent Interactions
300
Like Dissolves Like
143
Dissolving Polar in Non-polar
322
Strength of H-Bonding
237
Let's Visualize 3D
407
Practice 1
187
Practice 2
177
Practice 3
165
Sigma Coordinate Bond
368
Pi Coordinate Bond: Conditions
423
Case of BF3
163
Backbonding: Introduction
239
Backbonding: Applications
321
Practice 1
548
Practice 2
190
Practice 3
126
Practice 4
251
Banana Bonding
442
Insights of Banana Bonding
233
Bridge Bonding: BeCl2 vs BH3
293
Bridge Bonding: Polymerisation
205
Dimer of BeH2
515
What if BeH2 Is in solid?
127
Dimerisation: AlCl3 vs Al(CH3)3
548
Practice 4
340
Really Only Electron Deficiency?
557
Practice Time: Let's Get Started!
127
More Practice!
433
Let's Master It!
288
Practice 1
711
Practice 2
238
Practice 3
261
Practice 4
152
Practice 5
820
Practice 1
317
Practice 2
361
Practice 3
162
Drago's rule and Bond angle
244
Practice 4
164
BeCl2: Polar or Non-polar
282
Practice 5
464
Resonance
225
Linear vs Bent
150
Practice 6
508
Dipole Moment: Vector Summation
358
Diving into Dipole Moment
120
Practice 1
577
Practice 2
162
Practice 7
403
Practice 3
379
Effect of Lone Pair on DM
312
Case of NH3 and NF3
243
Practice 1
447
Practice 2
383
Delocalisation of Electrons
99
Practice 3
217
Orbital Box diagram: An another way!
424
Practice 4
271
Practice 5
219
One more Example!
390
Different Steric No.
770
Practice 6
236
Resonating/Canonial Structures
33
SN: Formula for calculation
267
SN: Calculation for ions
224
SN: Hybridisation in Alkane
699
SN: Hybridisation in Alkene
471
Resonance Hybrid
92
SN: Hybridisation in Alkyne
552
Dipole Moment
228
Insights into Dipole Moment
378
Rules for writing resonance structures
153
Magnitude and Orientation
201
Mathematical Approach
711
Practice Time!
264
Relating D.M. and % Ionic Character
247
Bond Order
57
Practice Problems
153
Calculating Bond order using resonance structures
42
Let's Master on More Problems!
301
Bond order comparison for molecules showing resonance
124
Sigma Coordinate Bond
252
pi Coordinate bond
45
Back Bonding
84
Conditions for Back Bonding
33
Types of Back Bonding
72
ppi-ppi Back Bonding
71
ppi-dpi Back Bonding
42
Extent of Back Bonding
186
Factors Affecting Extent of Back Bonding
186
Applications of Back Bonding
560
Metallic Bond
141
Electron Sea Model
203
Metallic Lattice
125
Properties of Metals
4
Resonance and back bonding
112
Malleability
102
Effect of Back bonding on Bond Order/Energy
40
Non-directional nature of metallic bond
51
Ductility
56
Effect of Back Bonding on Bond Length
58
Bent's Rule: Introduction
473
Metallic lustre
81
Effect of Back Bonding on Bond Angle
62
Conductivity
249
Effect of Back Bonding on Shape of Molecule
44
Effect of Back bonding on Hybridisation
203
Thermal Conductivity
112
Electrical Conductivity
124
Metallic Bond Strength
110
Limitations of Electron Sea Model
153
Band Theory
439
Bands of Energy Levels
681
Conduction Band
103
Valence Band
109
Electron Deficient Bond
70
2 center- 2 Electron Bond
23
3 center - 2 Electron Bond
15
Banana or Bridge Bonding
67
Effect of Electron Deficient Bonding on Bond Length
155
Effect of Electron Deficient Bonding on Bond Angle
155
3 center - 4 electron bond
93
Planar and Non-Planar Electron Deficient Molecules
225
Bent's Rule: Qualitative
329
Practice 1
149
Practice 2
364
Practice 3
787
What Goes Where?
383
When Lone Pair Comes!
501
Case of SN = 6
153
Practice 1
310
Practice 2
552
Practice 3
205
Types of Covalent Bond
402
Intermolecular Forces-I
169
Intermolecular Forces-II
449
Types of IMF
188
Types of IMF: Continued
326
Bond Length
863
Effect of Intermolecular forces on physical properties
299
Effect of intermolecular forces on physical state
90
Effect of molecular mass on strength of van der waals forces
98
Effect of surface area on strength of van der waals forces
98
Effect of intermolecular forces on boiling point
80
Plotting Curve
359
Effect of dipole moment on boiling point of molecules
184
Effect of hydrogen bonding on boiling point of molecules
103
Effect of molecular mass on boiling point
98
Effect of hydrogen bonding on physical state of molecules
77
Effect of intermolecular forces on viscosity
38
Effect of hydrogen bonding on viscosity
159
Solute-Solute interactions
116
Solvent -Solvent interactions
116
Solute-Solvent interactions
116
Intermolecular forces and effect on solubility
466
Effect of hydrogen bonding on solubility
100
Extent of hydrogen bonding
585
Ionic or Electrovalent bond
113
Factors affecting ionic bond formation
811
Non-directional nature of ionic bond
195
Steric Number and Shape/Geometry of Molecules
316
Steric Number and Hybridisation of a Molecule
161
Orbital Box Diagram and Hybridisation
406
VMQ Formula
99
Hydrocarbons- Alkanes, Alkenes, Alkynes
1537
Methods of finding Hybridisation
1537
Bent's Rule
54
Factors Affecting Bond Length
46
Size of Bonded Atoms and Bond Length
37
No. of Lone Pairs on Bonded Atoms and Bond Length
140
Multiplicity of Bonds and Bond Length
141
EN difference of Bonded Atoms and Bond Length
172
Bent's Rule
177
Predicting Structure/Shape of Molecule using Bent's Rule
382
Electron Deficient Bonding
34
Ionic Character in Covalent Compounds
291
Intermolecular Forces
127
Intermolecular Forces
22
Intermolecular Forces
127
Intermolecular Forces
97
Ionic Character in Covalent Compounds
158
A new parameter to study polarity
146
Dipole Moment: Introduction
83
Dipole Moment: Introduction
49
Dipole Moment: Introduction
522
Dipole Moment: Introduction
244
Cases of Dipole Moment
46
Dipole moment of polyatomic molecules
380
Bond moment
106
Lattice
147
Lattice enthalpy/energy
139
Factors affecting lattice energy
437
Effect of interionic distance on lattice energy
117
Effect of charge on ions on lattice energy
141
Coordination number and lattice energy
63
Solvation
426
Solvation energy
20
Hydration energy
36
Dissolution of ionic compounds
174
Enthalpy of solution
50
Criteria for solubility of salts
152
Factors affecting solvation energy
255
Effect of size of ions on solvation energy
150
Effect of Nature of solvent on solvation energy
104
Dielectric constant
104
Applications of solvation/hydration energy
385
Hydrated/solvated radius
199
Mobility of ions
114
Electrical conductance
69
Covalent charachter in ionic compounds
212
Polarisation
37
Polarising power
12
Polarisability
12
Degree of polarisation
412
Charge on cation and polarisation
85
Size of cation and polarisation
122
Mathematical vector expression - dipole moment
250
Different molecular geometries and dipole moment
577
Dipole moment of lone pair
299
Determining extent of polarity through dipole moment
209
Comparing polarity of molecules
445
Charge on anion and polarisation
138
Size of anion and polarisation
94
Pseudo inert gas configuration
206
Fajan's rules
15
Molecular Orbital Theory(MOT)
103
Need for MOT
237
Linear Combination of Atomic Orbitals LCAO
24
Molecular Orbitals
49
Conditions for Combination of Atomic Orbitals
222
Energy of an atomic orbital
105
Superposition of Waves
220
Constructive Interference
90
Bonding Molecular Orbitals
46
Destructive Interference
42
Anti-Bonding Molecular Orbitals
37
Energy of Bonding and Anti-Bonding Orbitals
220
Types of Molecular Orbitals
555
Sigma MOs
120
Pi MOs
59
Molecular orbital energy diagram
191
Molecular Orbital Electronic Configuration
213
Energies of < 14 electron system
187
Energies of > 14 electron system
243
Highest occupied molecular orbital HOMO
70
Lowest unoccupied molecular orbital LUMO
70
Magnetic nature of a molecule
22
Number of electrons in bonding molecular orbitals
56
Number of electrons in anti-bonding molecular orbitals
82
Stability/existence of a molecule
355
Overlapping of Bands
98
Band Gap
241
Conductors
27
Semiconductors
50
Insulators
35
Effect of temperature on conductivity of conductors
81
Effect of temperature on conductivity of conductors
51
Identifying polar & non-polar molecules through dipole moment
46
Dipole moment of diatomic molecules
46
Size difference of ions and solubility of salts
733
Calculating bond order using MO electronic configuration
846
Van der waals forces
222
Types of intermolecular forces
60
Ion-dipole interaction
104
Dipole-Dipole Interaction (keesam forces)
62
Ion-induced dipole interaction
79
Ion-induced dipole interaction
79
Dipole-induced dipole interaction (debye forces)
72
Instantaneous Dipole - Induced Dipole Interaction (London/Dispersion forces)
129
Strength of intermolecular forces
24
Effect of intermolecular distance on strength of intermolecular forces
144
Hydrogen bond
666
Conditions for hydrogen bonding
309
Representation of hydrogen bond
120
Energetics of hydrogen bond
122
Factors affecting strength of hydrogen bond - size and electronegativity difference
122
Types of hydrogen bonding
315
Intermolecular hydrogen bonding
117
Homo Intermolecular hydrogen bonding
117
Hetero Intermolecular hydrogen bonding
101
Intramolecular hydrogen bonding
87
Potential energy
634
Bond Energy - Dissociation and Formation
107
Overlapping - types and properties
1183
Types of Hybridisation
2336
Effect of different electron pairs on hybridisation
144
Effect of different electron pairs on shape and geometry
338
Repulsions due to Lone Pair & Bond Pair and Effect on Molecular Shape
371
Factors Affecting Bond Length
721
Drago's Rule - Hybridisation & bond angle
520
Polarity in molecules and concept of dipole
151
Types of intermolecular forces
592
Dipole moment and polarity of molecules
432
Solvation and solvation energy
463
Applications of solvation/hydration energy
385
Fajan's rules & degree of polarisation
799
Linear Combination of Atomic Orbitals LCAO - Molecular Orbitals
372
Molecular orbital energy diagram & electronic configuration
906
Number of electrons in bonding and anti-bonding molecular orbitals
142
Properties of metals
740
Bands of Energy Levels
892
Overlapping of bands and band gap
416
Conductors, semiconductors and insulators
342
Hydrogen Bonding
211
Insights into H-Bonding
469
H-Bonding: Types
325
Practice 1
118
Practice 2
140
Practice 3
56
Practice 4
223
Plotting Curve
359