very short asnwers
IMPORTANT VSAQ’S – Ist Year Chemistry(for N-TARGET)
1. What is Heisenburg uncertainity principle?
2. Significance of Ѱ & Ѱ2.
3. Difference B/w Orbit & Orbital.
4. What is shielding effect? How does it effect I.P Values.
5. What is diagonal relationship?
6. What is Lanthanide contraction? Give its consequences.
7. What types of bonds are present in NH4Cl?
8. What is dipole moment?
9. Why H2O has high B.P than HF?
10. What are Co-Ordination numbers of NaCl & CsCl.
11. Define Co-Ordinate Covalent bond? Give two examples.
12. What is Octet rule?
13. What are isotherms?
14. Which of the gases diffuses faster among N2, O2 & CH4? Why?
15. What is Boltzmann’s constant? Give its value.
16. What is RMS speed?
17. What is Joule – Thomson effect?
18. How many numbers of moles of glucose are present in 540 g of glucose?
19. The empirical formula of a compound is CH2O. Its M.W is 90.Calculate the Molecular formula of the compound.
20. Calculate the Oxidation numbers of bold element in the following. A) K2Cr2O7 b) KMnO4 c) K2MnO4 d) C12H22O11 d)Cr2O3 e)CrO5 f)H2S2O8 g)CaOCl2 h)H2SO5 i)Fe3O4 j) N3H
21. What are the disproportionation reactions? Give examples.
22. State the first law of thermodynamics.
23. Is increase of entropy the criterion for spontaneity? Why?
24. Write the relation between Kp & Kc with example.
25. Name isotopes of H2.
26. Explain the term “SYNGAS”.
27. What is meant by coal gasification?
28. What is water gas shift reaction?
29. What do you mean by autoprotolysis?
30. Mention uses of H2O2.
31. What is Per hydrol & Hyperol?
32. Lithium reacts with water less vigorously than sodium. Give your reason
33. Explain the Biological importance of Mg & Ca.
34. What happens when Magnesium burnt in air?
35. Describe the importance of Plaster of Paris.
36. Describe the important uses of Caustic Soda, Sodium Carbonate & Quick lime.
37. Explain inert pair effect.
38. Give the formula of Borazine. What is its common
1. What is Heisenburg uncertainity principle?
2. Significance of Ѱ & Ѱ2.
3. Difference B/w Orbit & Orbital.
4. What is shielding effect? How does it effect I.P Values.
5. What is diagonal relationship?
6. What is Lanthanide contraction? Give its consequences.
7. What types of bonds are present in NH4Cl?
8. What is dipole moment?
9. Why H2O has high B.P than HF?
10. What are Co-Ordination numbers of NaCl & CsCl.
11. Define Co-Ordinate Covalent bond? Give two examples.
12. What is Octet rule?
13. What are isotherms?
14. Which of the gases diffuses faster among N2, O2 & CH4? Why?
15. What is Boltzmann’s constant? Give its value.
16. What is RMS speed?
17. What is Joule – Thomson effect?
18. How many numbers of moles of glucose are present in 540 g of glucose?
19. The empirical formula of a compound is CH2O. Its M.W is 90.Calculate the Molecular formula of the compound.
20. Calculate the Oxidation numbers of bold element in the following. A) K2Cr2O7 b) KMnO4 c) K2MnO4 d) C12H22O11 d)Cr2O3 e)CrO5 f)H2S2O8 g)CaOCl2 h)H2SO5 i)Fe3O4 j) N3H
21. What are the disproportionation reactions? Give examples.
22. State the first law of thermodynamics.
23. Is increase of entropy the criterion for spontaneity? Why?
24. Write the relation between Kp & Kc with example.
25. Name isotopes of H2.
26. Explain the term “SYNGAS”.
27. What is meant by coal gasification?
28. What is water gas shift reaction?
29. What do you mean by autoprotolysis?
30. Mention uses of H2O2.
31. What is Per hydrol & Hyperol?
32. Lithium reacts with water less vigorously than sodium. Give your reason
33. Explain the Biological importance of Mg & Ca.
34. What happens when Magnesium burnt in air?
35. Describe the importance of Plaster of Paris.
36. Describe the important uses of Caustic Soda, Sodium Carbonate & Quick lime.
37. Explain inert pair effect.
38. Give the formula of Borazine. What is its common