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Chemical Bonding - 1

Chemical Bonding - 1

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Questions

Question 1 Multiple Choice (Single Answer)

Which of the following statements is true according to the octet theory?

  1. During bond formation, the elements have a tendency to acquire unstable configuration.
  2. During bond formation, the elements merely change their configuration.
  3. During bond formation, the elements tend to acquire a noble gas configuration.
  4. None of these
Question 2 Multiple Choice (Single Answer)

Which of the following contains both covalent and ionic bonds?

  1. NaCl
  2. CH4
  3. NH4Cl
  4. H2O
Question 3 Multiple Choice (Single Answer)

How many lone pairs are there in a molecule of water?

  1. 1
  2. 2
  3. 3
  4. 0
Question 4 Multiple Choice (Single Answer)

In which of the following molecules of compounds is the octet rule violated?

  1. CO2
  2. N2
  3. CO
  4. None of the above
Question 5 Multiple Choice (Single Answer)

How many covalent bonds are present in carbon tetrachloride?

  1. 4
  2. 3
  3. 2
  4. 1
Question 6 Multiple Choice (Single Answer)

Which of the following is a characteristic of covalent compounds?

  1. They are good conductors of electricity.
  2. Covalent bonds are stronger than ionic bonds.
  3. They are mostly soluble in water.
  4. None of these
Question 7 Multiple Choice (Single Answer)

Consider that an electrovalent compound exists in the form XY. Which of the following can be the possible numbers of valence electrons in X and Y?

  1. X – 3, Y – 4
  2. X – 2, Y – 8
  3. X – 2, Y – 6
  4. X – 3, Y – 6
Question 8 Multiple Choice (Single Answer)

Choose the odd one out from the compounds given below.

  1. CaF2
  2. CH4
  3. KCl
  4. MgCl2
Question 9 Multiple Choice (Single Answer)

Which of the following elements will combine to form an ionic compound?

  1. Hydrogen and chlorine
  2. Aluminium and fluorine
  3. Carbon and hydrogen
  4. None of these
Question 10 Multiple Choice (Single Answer)

Which of the following has the highest melting and boiling points?

  1. HF
  2. CH4
  3. N2
  4. MgCl2
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