Chemical Bonding And Reactions MCQ

Test your knowledge with important Chemical Bonding And Reactions MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30 + more Chemical Bonding And Reactions MCQs at Bissoy

• The formula for lithium nitride is:
  ক

  Li₃N₂

  খ

  LiN

  গ

  Li₃N

  ঘ

  Li₂N
• The bond which is present between water molecules is
  ক

  electrovalent bond

  খ

  covalent bond

  গ

  hydrogen bond

  ঘ

  vander Waal's bond
• Which of the following contains both ionic and covalent bond?
  ক

  H₂O

  খ

  NaOH

  গ

  C₆H₆

  ঘ

  CO₂
• The maximum number of bonds between two atoms of a covalent bond can be . . . . . . . .
  ক

  1

  খ

  3

  গ

  2

  ঘ

  4
• How many valence electrons are there in an atom of phosphorus?
  ক

  4

  খ

  3

  গ

  2

  ঘ

  5
• Covalently bonded molecules have the low melting points and boiling points because?
  ক

  Intermolecular forces are moderate

  খ

  Intermolecular forces are strong

  গ

  Intermolecular forces are weak

  ঘ

  Intermolecular forces are very strong
• Select the incorrect match.<br>Element : Valency
  ক

  Helium: 0

  খ

  Hydrogen: 1

  গ

  Carbon: 4

  ঘ

  Oxygen: 1
• Study the following statements.<br>1. A bond formed by the transfer of electrons between atoms of the element is called ionic bond.<br>2. A bond formed by sharing of electrons between atoms of the elements is called covalent bond.<br>Which of the statements given above is/are correct?
  ক

  Only 1

  খ

  Only 2

  গ

  1 and 2

  ঘ

  None of the above
• The type of bond formed during the hydration of cation is
  ক

  ionic

  খ

  covalent

  গ

  electrostatic

  ঘ

  dative bond
• Because carbon is a tetrahedron and due to its covalent bonding, carbon represents . . . . . . . .?
  ক

  Hydrocarbons

  খ

  Single covalent bonds

  গ

  Malformation

  ঘ

  Chain bonding
• The number of valence electrons in the O^2- ion is
  ক

  4

  খ

  6

  গ

  8

  ঘ

  10
• What is the combining power of an element?
  ক

  Atomicity

  খ

  Molecular weight

  গ

  Normality

  ঘ

  Valency
• What is the valency of nitrogen in NH₃?
  ক

  4

  খ

  2

  গ

  1

  ঘ

  3
• Bonds made of elements with large atoms are . . . . . . . .
  ক

  very weak

  খ

  strong

  গ

  very strong

  ঘ

  weak
• Consider the following statements.<br>1. Formation of cations occurs by loss of electrons.<br>2. Formation of anions occurs by gain of electrons.<br>Which of the statement given above is/are correct?
  ক

  Only 1

  খ

  Only 2

  গ

  Both 1 and 2

  ঘ

  None of these
• Covalent compounds are generally
  ক

  soluble in water

  খ

  insoluble in water

  গ

  ionise in water

  ঘ

  hydrolyse in water
• In double covalent bond there is a sharing of
  ক

  two electrons

  খ

  four electrons

  গ

  six electrons

  ঘ

  three electrons
• How many covalent bonds are present in a Chloropropane molecule having molecular formula, C₃H₂CI?
  ক

  6

  খ

  8

  গ

  9

  ঘ

  10
• Which of the following is a trivalent element?
  ক

  Boron

  খ

  Indium

  গ

  Aluminium

  ঘ

  All these
• An atom of sodium loses one electron and chlorine atom accepts one electron. This result the formation of sodium chloride molecule. This type of molecule will be
  ক

  coordinate

  খ

  covalent

  গ

  electrovalent

  ঘ

  metallic bond
• If the valency of aluminium is 3 and that of oxygen is 2, then the chemical formula of aluminium oxide is:
  ক

  (AlO)₃₊₂

  খ

  AlO₂

  গ

  Al₃O₂

  ঘ

  Al₂O₃
• The methane molecule has
  ক

  double bond

  খ

  triple bond

  গ

  single covalent bond

  ঘ

  none of the above
• In ionic compounds, ions attract each other and are strongly joined by . . . . . . . .
  ক

  electrostatic forces

  খ

  magnetic forces

  গ

  gravitational forces

  ঘ

  electric forces
• Which of the following bond is the weakest?
  ক

  Coordinate bond

  খ

  Hydrogen bond

  গ

  Vander Waals' forces

  ঘ

  Covalent bond
• How many valence electrons are there in a graphite atom?
  ক

  Four

  খ

  Five

  গ

  Two

  ঘ

  Three
• Proton play an important role in which type of bonding?
  ক

  Electrovalent

  খ

  Hydrogen

  গ

  Covalent

  ঘ

  Coordinate
• The element X is a tetravalant and the element Y is a bivalent . The compound formed by these two elements will be . . . . . . . .
  ক

  XY₄

  খ

  XY

  গ

  XY₂

  ঘ

  X₂Y
• Covalent bonds are formed by the sharing of electrons between two atoms so that both can achieve a completely filled . . . . . . . . shell.
  ক

  outermost

  খ

  proper

  গ

  inner most

  ঘ

  centre
• If formula of sodium salt of an anion X is Na₂X, then the formula of its aluminium salt would be
  ক

  AlX

  খ

  AlX₃

  গ

  Al₂X₃

  ঘ

  Al₃X₂
• Molten NaCl is a good conductor of electricity is due to
  ক

  free electrons

  খ

  free ions

  গ

  free molecules

  ঘ

  None of these