Chemical bonding Practice Paper - 1

Chemical bonding Practice Paper - 1

Na     Name/Give a term/State the following.

1.      A covalent compound which when dissolved in water behaves like an electrovalent compound.
2.   A bond formed by the transfer of electrons from an electropositive element to an electronegative element.
3.   The atom bearing two lone pairs of electrons in water molecule.
4.     A covalent compound in which the shared pair of electrons are unequally distributed between the atoms.
5.          The weak intermolecular force of attraction existing in covalent compounds.

        1.      Classify the following as Oxidation or Reduction reactions.

i)                    Fe --> Fe²⁺

ii)                  Cl^{–   -->} Cl

iii)                O     --> O^2–

iv)                Na    -->   Na⁺

2. A, B, C and D are the elements with valence electrons 7,2, 4 and 1 respectively. Answer the following:

i)           Nature of the bonding between C and A.

ii)         Formula of the compound between B and A.

iii)       Nature of the bonding between D and A. and draw the electron dot structure of that compound.

iv)       If A is a non metal containing diatomic molecule then write balanced equation for the reaction between A and B.