Most important 5 marks for chemistry class 11

 

 

Most important 5 marks for chemistry class 11

 

CHAPTER 1

1.     Empirical formula problems

 

CHAPTER 2:

 

1.     Bohr atomic model

2.     Rutherford atom model

3.     De-broglie equation

 

CHAPTER 3:

 

1.     Pauli’s method of calculating ionic radius

 

CHAPTER 4:

 

1.     Covalent hydrates

 

CHAPTER 5:

 

1.     Similarities between beryllium and aluminum

 

CHAPTER 6:

 

1.     Boyle's law, charles law, avogadro law, gay lussac law

 

 

 

CHAPTER 7:

 

1.     Internal energy- problems

2.     Born haber cycle : i) Nacl born haber ii) cacl2 born haber

3.     Characteristic of Gibbs free energy

4.     Various statements of second law of thermodynamics

 

CHAPTER 8:

 

1.     Relation between Kp and Kc

2.     Kp and Kc for NH3 (ammonia)

3.     Kp and Kc for HI (hydrogen iodide)

4.     Kp and Kc for pcl5

 

CHAPTER 9:

 

1.     MO diagram for o2, n2, co

2.     Postulates of VSEPR theory

3.     VSEPR theory- Molecular geometry and other problems

 

CHAPTER 14:

 

1.     Sn2 mechanism

2.     Sn1 mechanism

3.     e1 and e2 mechanism