1. What is "common ion effect"?
2. Give the formulae of a) Borax b) Colemanite
3. Why crude NaCl absorbs moisture from atmosphere?
4. Give two uses of Caustic soda.
5. What is PAN? What is the ill effect caused by it?
6. How is Ozone formed in Stratosphere?
7. Give the principle of Chromatography?
8. What is 'Compressibility factor'? Give its value for ideal gas and real gas.
9. How many number of moles of glucose are present in 900 grams of glucose?
10. What is conjugate Acid Base pair? Write conjugate acid and
conjugate base for OH-ion.
11. Why does the solubility of alkaline earth metal hydroxides in
water increase down the group?
12. Give two uses of Na2CO3.
13. Define "BOD". Give the possible BOD values of clean water and
polluted water.
14. Name two adverse effects caused by "Green house effect".
15. Diamond is hard and has high melting point. Explain why?
16. What is "Synthesis gas"?
17. Write Van der Waals equation of state. Give the physical
significance of Van der Waals parameters.
18. What do you mean by "significant figures"? Give the number of
significant figures present in 100.0.
19. An aqueous solution of Na2CO3 is alkaline. Why?
20. Give two uses of quick lime.
21. What are the harmful effects caused by ozone layer depletion?
22. Define the terms "Sink" and "TLV".
IPE Junior Inter Chemistry - 4 Marks Important Questions for AP and Telangana
1. State Graham's law of diffusion? Give two applications of this law.
2. What is empirical formula? Chemical analysis of a Carbon compound
gave 10.06% carbon, 0.84%, Hydrogen and 89.10% Chlorine. Calculate the
empirical formula of the compound.
3. Define a) enthalpy of combustion b) standard enthalpy of formation.
4. State Lechatlier's Principle. Discuss the principle in brief for
the industrial synthesis of SO3.
5. Write any two methods of preparation of diborane. How does it react
with a) CO b) NH3.
6. Explain with one example for the following:
a) Interstitial hydride b) Ionic hydride
c) Electron deficient hydride d) Electron rich hydride
7. How does acetylene react with the following? a) H2O b) HCl c)
Ammonical AgNO4 d) Cl2
8. Discuss Markownikov's rule and Kharash effect.
9. Write 8 important postulates of kinetic molecular theory of gases.
10. A carbon compound contains 12.8% Carbon, 2.1% Hydrogen, 85.1%
Bromine. The molecular weight of the compound is 187.9. Find the
molecular formula of the compound.
11. Explain the terms a) Entropy b) Enthalpy c) Extensive property d)
Intensive property
12. Write about "Position isomerism" and "Functional isomerism" with
one example each.
13. How would you prepare benzene from phenol and acetylene? Explain
with equations.
14. Write 2 oxidising & 2 reducing properties of H2O2.
15. Write a short note on a) Silicones b) Fullerenes
16. Explain the terms "Hard water" and "Soft water". How hardness of
water can be removed by Calgon method?
17. Which type of compounds react with Ozone? Explain the reaction of
Ozone with one aliphatic and one aromatic compound.
18. What do you understand about geometrical isomerism? Write E, Z
isomers for CHCl= CFBr
2. What is empirical formula? Chemical analysis of a Carbon compound
gave 10.06% carbon, 0.84%, Hydrogen and 89.10% Chlorine. Calculate the
empirical formula of the compound.
3. Define a) enthalpy of combustion b) standard enthalpy of formation.
4. State Lechatlier's Principle. Discuss the principle in brief for
the industrial synthesis of SO3.
5. Write any two methods of preparation of diborane. How does it react
with a) CO b) NH3.
6. Explain with one example for the following:
a) Interstitial hydride b) Ionic hydride
c) Electron deficient hydride d) Electron rich hydride
7. How does acetylene react with the following? a) H2O b) HCl c)
Ammonical AgNO4 d) Cl2
8. Discuss Markownikov's rule and Kharash effect.
9. Write 8 important postulates of kinetic molecular theory of gases.
10. A carbon compound contains 12.8% Carbon, 2.1% Hydrogen, 85.1%
Bromine. The molecular weight of the compound is 187.9. Find the
molecular formula of the compound.
11. Explain the terms a) Entropy b) Enthalpy c) Extensive property d)
Intensive property
12. Write about "Position isomerism" and "Functional isomerism" with
one example each.
13. How would you prepare benzene from phenol and acetylene? Explain
with equations.
14. Write 2 oxidising & 2 reducing properties of H2O2.
15. Write a short note on a) Silicones b) Fullerenes
16. Explain the terms "Hard water" and "Soft water". How hardness of
water can be removed by Calgon method?
17. Which type of compounds react with Ozone? Explain the reaction of
Ozone with one aliphatic and one aromatic compound.
18. What do you understand about geometrical isomerism? Write E, Z
isomers for CHCl= CFBr
Junior Inter Chemistry 8 Marks Important Questions for AP and Telangana Board Exams
1. What is a periodic property? How do the following properties change
in group I and 3rd period? Explain with example
a) Atomic radius b) Nature of oxides c) Electron gain enthalpy
2. Write the important postulates of Bohr's model of Hydrogen atom?
Discuss the importance of this model to explain various series of line
spectra in Hydrogen atom.
3. a) Explain the geometry of H2O and NH3 on the basis of VSEPR theory.
b) Give molecular orbital energy diagram of N2. Calculate its bond
order. Write the magnetic nature of N2 molecule.
4. How are the quantum numbers n,l and ml arrived at? Explain the
significance of these quantum numbers.
20. What is a periodic property? What is the reason for periodicity?
How the following properties vary in a group and in a period? Explain.
a) Nature of oxides b) Electronegativity c) Ionization Enthalpy
5. a) Give four features of molecular orbital theory.
b) Give molecular orbital energy diagram of O2. Calculate its bond order.
Write the magnetic nature of O2 molecule.
6. What is a periodic property?
How do the following properties change in group-I and 3rd period?
Explain with example
a) Atomic radius b) Nature of oxides c) Electron gain enthalpy
7. Write the important postulates of Bohr's model of Hydrogen atom?
Discuss the importance of this model to explain various series of line
spectra in Hydrogen atom.
8. a) Explain the geometry of H2O and NH3 on the basis of VSEPR theory.
b) Give molecular orbital energy diagram of N2. Calculate its bond
order. Write the magnetic nature of N2 molecule.
in group I and 3rd period? Explain with example
a) Atomic radius b) Nature of oxides c) Electron gain enthalpy
2. Write the important postulates of Bohr's model of Hydrogen atom?
Discuss the importance of this model to explain various series of line
spectra in Hydrogen atom.
3. a) Explain the geometry of H2O and NH3 on the basis of VSEPR theory.
b) Give molecular orbital energy diagram of N2. Calculate its bond
order. Write the magnetic nature of N2 molecule.
4. How are the quantum numbers n,l and ml arrived at? Explain the
significance of these quantum numbers.
20. What is a periodic property? What is the reason for periodicity?
How the following properties vary in a group and in a period? Explain.
a) Nature of oxides b) Electronegativity c) Ionization Enthalpy
5. a) Give four features of molecular orbital theory.
b) Give molecular orbital energy diagram of O2. Calculate its bond order.
Write the magnetic nature of O2 molecule.
6. What is a periodic property?
How do the following properties change in group-I and 3rd period?
Explain with example
a) Atomic radius b) Nature of oxides c) Electron gain enthalpy
7. Write the important postulates of Bohr's model of Hydrogen atom?
Discuss the importance of this model to explain various series of line
spectra in Hydrogen atom.
8. a) Explain the geometry of H2O and NH3 on the basis of VSEPR theory.
b) Give molecular orbital energy diagram of N2. Calculate its bond
order. Write the magnetic nature of N2 molecule.
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