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
22. Alkali metals
1. Sodium is commercially obtained by the electrolysis of its fused sodium chloride. The process is called

[IOM]

  • Castner process
  • Down's process
  • Solvay process
  • Kellner process
2. Which of the following metals gives golden yellow colour on flame test

[IOM]

  • Ca
  • Ba
  • K
  • Na
3. Borax is
  • Na2B4O7.10H2O
  • Na3BO3.4H2O
  • Na2B4O4.7H2O
  • Na2B4O7.5H2O
4. What happens when ZnCl2 is treated with NaOH

[IOM]

  • Black ppt. is formed
  • No ppt. is formed
  • White ppt. is formed which is soluble in excess of NaOH
  • White ppt. is formed which is insoluble in excess of NaOH
5. Sodium reacts more vigorously with water than lithium because sodium is
  • Heavier than lithium
  • More electropositive than lithium
  • Less electropositive than lithium
  • A non metal
6. Alkali metals are good reducing agents because

[IOM]

  • They are metal
  • They are monovalent
  • Their ionization potential is low
  • They have small atomic radii
7. When conc. solution of NaCl in water is saturated with NH3 and then CO2 is passed through the liquid NaCl is converted into
  • Na2CO3
  • NaHCO3
  • NH4Cl
  • NH4CO3
8. The electronic configuration of an element is 2, 8, 1. Which of the following statement is true?
  • It is diatomic
  • It is a non metal
  • It is a transitional metal
  • It forms basic oxide
9. Metallic lustre of sodium metal can be explained on the basic of
  • Diffusion of sodium ions
  • Oscillation of loose electrons
  • Existence of free protons
  • Existence of body centred lattice
10. A solution of sodium metal in liquid ammonia is strongly reducing due to the presence of

[BPKIHS]

  • Sodium atoms
  • Sodium hydride
  • Sodium amide
  • Solvated electrons
11. Sodium and potassium are kept under

[BPKIHS]

  • Alcohol
  • Water
  • Kerosene
  • Aqua regia
12. Fire extinguisher contains H2SO4 and

[BPKIHS]

  • NaHCO3+Na2CO3
  • Na2CO3
  • NaHCO3 solution
  • CaCO3
13. Electrolytic reduction method is used in the extraction of

[BPKIHS]

  • Highly electropositive element
  • Highly electronegative element
  • Inert metals
  • Transitional metals
14. The best material used in photo emission is

[IOM 1992]

  • K
  • Na
  • Cs
  • Li
15. Excess of NaOH when reacts with zinc produces

[IOM 1992]

  • NaOH + ZnO
  • ZnH
  • Na2ZnO2+H2
  • Zn(OH)2
16. The chemicals that are consumed during the manufacture of sodium carbonate by Solvay's process are

[MOE 2066]

  • Calcium carbonate and sodium chloride
  • Calcium hydroxide as ammonia
  • Ammonium bicarbonate and sodium chloride
  • Calcium chloride and sodium chloride
17. In the manufacture of washing soda Na2CO3 the compound formed after the treatment of ammonical brine solution with CO2 is

[MOE 2008]

  • Na2CO3
  • NaHCO3
  • (NH4)2CO3
  • None
18. Sodium is made by electrolysis of molten mixture of about 40% NaCl and 60% CaCl2 because

[MOE 2008]

  • CaCl2 helps in conduction of electricity
  • This mixture has lower melting point of NaCl solution
  • Ca++ can displace Na+ from NaCl
  • Ca++ can reduce NaCl to Na
19. Caustic soda can be manufactured by

[MOE 2063]

  • Solvay - ammonia soda process
  • Castner - kellner process
  • Down's process
  • Cyanide process
20. How many water of crystallization (WOC) is present in a molecule of washing soda?

[MOE 2062]

  • 19
  • 10
  • 11
  • 8
21. In Down's process for the extraction of sodium

[MOE 2061]

  • C is anode and Fe is cathode
  • C is cathode and Fe is anode
  • Pt is anode and Fe is cathode
  • C is anode and Pt is cathode
22. The alkali metals can easily be detected by the flame test, because they have

[MOE 2050]

  • Low ionization energy
  • Low density
  • Low electron affinity
  • High conductance
23. The hydride of an element E reacts with water producing hydrogen and an alkali solution. The element 'E' is probably

[MOE 2050]

  • An alkali metal
  • A transitional metal
  • A metal low in activity series
  • A metal in group IV
24. Which of the following elements exists in only one oxidation state in most of its compound?

[Bangladesh 2066]

  • Chloride
  • Potassium
  • Lead
  • Tin
25. Sodium nitrate decomposes above 800°C to give
  • N2
  • O2
  • NO2
  • Na2O
26. NaOH is manufactured by the electrolysis of brine solution. The products of reaction are

[MOE]

  • Cl2 and H2
  • Cl2 and Na-Hg
  • Cl2 and Na
  • Cl2 and O2
27. Squashes are stored by adding
  • Citric acid
  • KCl
  • Na2SO3
  • Sodium metabisulphite (Na2S2O5)
28. Soda ash is

[IOM]

  • Na2CO3.H2O
  • Na2CO3
  • NaOH
  • NaHCO3
29. What is the product formed when CO2 is bubbled into aqueous solution of Na2CO3

[KU]

  • NaOH
  • NaHCO3
  • N2O
  • OH-
30. Which of the following are recycled in the manufacture of Na2CO3

[IOM]

  • CO2 and NH3
  • CO2 and NH4Cl
  • NaCl and CaO
  • CaCl2 and CaO