About Lesson
MP Board IMP 2022-23
11th Chemistry
नोट:- कम किया गया सिलेबस शामिल नहीं है।
अध्याय 1 रसायन विज्ञान की कुछ मूल अवधारणाएँ
(Total Marks:07 1Marks:3Ques. 2Marks:2Ques)
2Marks: 2Ques.
- What is the standard unit of atomic mass?
- What is 1 gram atom of the element?
- Why is air not always considered a homogeneous mixture?
- What is the effect of temperature on the molarity of a solution and why?
- How do we prove that air is a mixture, not a compound?
- Why is it more correct to call the law of conservation of mass the law of conservation of mass and energy?
- What is stock solution?
अध्याय 2 परमाणु की संरचना
(Total Marks:09 1Marks:2Ques. 2Marks:1Ques 5Marks:1Ques)
2Marks: 1Ques.
- Calculate the number of electrons in one gram mass.
- Why is Hund’s law called the law of maximum plurality?
- Why is the word exclusion used in the Pauli principle?
- What is the physical nature of matter? Write de-Broglie equation related to it.
- What is Heisenberg’s Uncertainty Principle? Write its mathematical form.
5Marks: 1Ques.
- Describe in detail the quantum mechanics model of the atom.
- Explaining the Bohr atomic model in detail, write its drawbacks.
- What is the experimental evidence in support of the idea that the energy of electrons in an atom is quantized?
- Calculate the energy and frequency of the radiation emitted when an electron of a hydrogen atom moves from n=3 to n=2.
- Thomson atomic model?
- Explain Rutherford atomic model?
अध्याय 3 तत्त्वों का वर्गीकरण एवं गुणधर्मों में आवर्तिता
(Total Marks:06 1Marks:4Ques. 2Marks:1Ques)
2Marks: 1Ques.
- Why do elements present in the same group have similar physical and chemical properties?
- How does the atomic radius change in a square or period? How would you explain this change?
- What is the significance of the isolated gaseous atom and the terms ‘prime state’ in defining ionization enthalpy and electron gain enthalpy?
- In terms of period and square, state where 2-14 will be located? Write the atomic number of the element which is located in 3rd period and 17th group in the periodic table.