1. Physical chemistry
    2. 1. The solid state
    2. Language of Chemistry
    3. Gaseous and Liquid states
    4. Stoichiometry
    5. Solutions
    6. Structure of Atom
    7. Chemical equilibrium
    8. Nuclear chemistry (Radioactivity)
    9. Ionic equilibrium
    10. Chemical Bonding
    11. Chemical kinetics
    12. Concepts of Acids, Bases and Salts
    13. Surface catalysis and Colloids
    14. Redox reactions
    15. Chemical energetics
    16. Volumetric analysis
    17. Electrochemistry
  2. Inorganic chemistry
    3. 18. Introduction
    19. Periodic table
    20. Hydrogen and its compounds
    21. General aspects of Metallergy
    22. Alkali metals
    23. Alkaline metals
    24. Boron family
    25. Carbon family
    26. Nitrogen family
    27. Oxygen family
    28. Fluorine family
    29. Inert gases
    30. Transition metals
    31. Coordination compounds
    32. Analytical chemistry
  3. Organic chemistry
    4. 33. Purification and analysis of organic compounds
    34. Nomenclature of Organic compounds
    35. Reaction Mechanisms
    36. Hydrocarbons
    37. Haloalkanes (Alkyl halides)
    38. Alcohol, Phenol and Ether
    39. Aldehyde and Ketones
    40. Carboxylic acids
    41. Compounds conatining Nitrogen
    42. Polymers
    43. Chemistry in daily life
Inorganic chemistry
26. Nitrogen family
1. Ostwald's process is used for the manufacture of

[MOE 2066]

  • Ammonia
  • Nitric acid
  • Sulphuric acid
  • Milk of sulphur
2. The coloured gas is

[IOM 2007]

  • NO2
  • N2O
  • NO
  • N2O4
3. Mixed anhydride of HNO3 and HNO2 is

[IOM]

  • N2O
  • NO2
  • NO
  • N2O3
4. The elements of group VA are generally known as
  • Normal element
  • Transitional element
  • Halogens
  • Pnicogens
5. Ammonia is dried by passing over

[MOE/IOE/KU]

  • Ca(OH)2
  • CaO
  • CaCl2
  • P2O5
6. The brown ring test, during qualitative analysis is performed to detect

[IOM 1992]

  • Bromide
  • Sulphate
  • Nitrate
  • Nitrite
7. The reaction P + conc. HNO3 would yield
  • P2O5
  • H3PO3
  • H3PO4
  • H4P2O7
8. Nitrogen dioxide cannot be obtained by heating

[MOE 2008]

  • NaNO3
  • LiNO3
  • Pb(NO3)2
  • Cu(NO3)2
9. Which of the following is most reactive?

[MOE 2065]

  • Red P
  • White P
  • Violet P
  • Black P
10. In which of the following compound nitrogen have -1 oxidation state?

[MOE 2060]

  • NH3
  • NH2OH
  • N2
  • N2O
11. Which of the following ions give clear coloured solution in excess of ammonium hydroxide?

[MOE 2055]

  • Fe3+
  • Al3+
  • Cu2+
  • Mg2+
12. Oxidation number of nitrogen ranges from

[MOE 2055]

  • -3 to +5
  • -3 to -5
  • +3 to -5
  • +1 to -3
13. By excessive heating of NH4CNS ... is obtained.

[MOE 2055]

  • Urea
  • Ether
  • Ammonium cyanide
  • Thiourea
14. NH3 is absorbed by

[MOE 2053, KU 2003]

  • FeSO4 solution
  • Turpentine solution
  • Conc. H2SO4
  • Glacial acetic acid
15. When Cu reacts with conc. HNO3, then the brown gas evolved is

[MOE 2053]

  • N2O
  • NO
  • NO2
  • NO3
16. In diamond carbon atom has … hybridization

[MOE 2052]

  • sp2
  • sp
  • sp3
  • dsp2
17. Aqua regia is a mixture of

[IOM]

  • 3HCl + 1HNO3
  • 1HCl + 3HNO3
  • 3HNO3 + 1H2SO4
  • 3H2SO4 + 1HNO3
18. Phosphorus is

[KU 2004]

  • Monoatomic
  • Diatomic
  • Triatomic
  • Tetra-atomic
19. Which one of the following is the strongest reducing agent?

[IE 2002]

  • NH3
  • PH3
  • AsH3
  • SbH3
20. Structure of ammonia is

[IE 2004]

  • Pyramidal
  • Tetrahedral
  • Coplanar
  • Trigonal
21. H2 is evolved by the action of cold and dil. HNO3 on

[IE 2005]

  • Fe
  • Cu
  • Mn
  • Al
22. Which of the following allotrope of phosphorous doesn't exist?

[IOM 2066]

  • Red
  • Yellow
  • Black
  • Green
23. When white phosphorous reacts with caustic soda to produce PH3 and NaH2PO2, the reaction is an example of

[MOE]

  • Oxidation
  • Reduction
  • Neutralization
  • Oxidation - reduction
24. Which of the following allotropes of phosphorous show phosphorescence?

[IOM/BPKIHS]

  • White phosphorous
  • Black phosphorous
  • Red phosphorous
  • Green phosphorous