Quiz  /  Bond Cleavage 1 st MCQ Questions With Answers

  • 1. 
    Can chlorine, Cl2 form hydrogen bonds?

  • Yes
  • No

  • 2. 
    How can dative bond form in hydroxonium ion H3O+?

  • The pair of electrons not involved in covalent bond in water molecule, H2O will be shared with hydrogen ion H+
  • Water molecule, H2O and hydrogen ion, H+ will each share one electron
  • Water molecule, H2O and hydrogen ion, H+ will each share two electrons

  • 3. 
    Why can compounds that can form hydrogen bonds have higher boiling points than compounds that cannot form hydrogen bonds?

  • Compounds that can form hydrogen bonds need to overcome weak Van der Waals attraction forces
  • Compounds that can form hydrogen bonds need to overcome strong hydrogen bonds
  • Compounds that can form hydrogen bonds need to overcome weak Van der Waals attraction forces and strong hydrogen bonds

  • 4. 
    What is the meaning of Dative Bond?

  • a covalent bond between two atoms where one of the atoms provides both electrons that form the bond.
  • a covalent bond between two atoms where both of the atoms provides both electrons that form the bond.
  • same with an ionic bond
  • not exist

  • 5. 
    How can dative bond form between ammonia, NH3 and hydrogen ion, H+ to form ammonium ion, NH4+?

  • Ammonia, NH3 and hydrogen ion, H+ will each share one electron
  • The pair of electrons not involved in covalent bond in ammonia, NH3 will be shared with hydrogen ion, H+
  • Ammonia, NH3 and hydrogen ion, H+ will each share one electron

  • 6. 
    How do you overcome a difficulty in turning the pages of a book when the pages stick together?

  • Ripping the pages until they are separated
  • Shake the book until the pages separate
  • Lick your finger before turning the pages
  • Blow the pages as hard as you can

  • 7. 
    What is the basis of hydrogen bond?

  • Attraction forces between hydrogen atom bonded with another hydrogen atom
  • Attraction forces between hydrogen atom bonded with a high electronegativity atom (F, O, N)
  • Attraction forces between hydrogen atom bonded with a high electronegativity atom (F, O, N) with atom (F, O, N) of another molecule
  • Attraction forces between hydrogen atom with another hydrogen atom of another molecule

  • 8. 
    Coordinates bonds are also called ..

  • ionic bonds
  • covalent bonds
  • dative bonds
  • metallic bonds

  • 9. 
    When hair is dry, protein molecules in the hair structure form hydrogen bonds with...

  • other protein molecules in the same hair structure
  • water molecules, H2O
  • other protein molecules from another hair structure
  • water molecules, H2O which also forms hydrogen bonds with protein molecules from another hair structure

  • 10. 
    Which of these compounds will have the highest boiling point?

  • Br2
  • NaCl
  • C3H7OH
  • Cl2

  • 11. 
    How can hydrogen bonds form between cellulose in paper and water molecule, H2O on the finger?

  • By pouring a bucket of water on the paper
  • Water molecules, H2O on the wet finger will form hydrogen bonds with cellulose in paper

  • 12. 
    Can ammonia, NH3 form hydrogen bonds?

  • Yes
  • No

  • 13. 
    Why do metals conduct electricity?

  • They are shiny
  • The electrons are delocalised and able to move
  • The electrons are held tightly within the lattice
  • The electrons are shared between two metal ions

  • 14. 
    Which type of chemical bond is formed in Aluminum wire?

  • Metallic
  • Ionic
  • Covalent
  • Dative

  • 15. 
    Why do metals have high melting points?

  • They don't
  • All the electrons become delocalised
  • The negatively charged electrons act as a glue to hold the positively charged ions together.

  • 16. 
    When hair is wet, protein molecules in the hair structure form hydrogen bonds with...

  • other protein molecules in the same hair structure
  • water molecules, H2O
  • other protein molecules from another hair structure
  • water molecules, H2O which also forms hydrogen bonds with protein molecules from another hair structure
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