Draw the electron dot structures of the following compounds and state the type of bonding in each case:
(i) $C O_{2}$

(ii) $M g O$

(iii) $H_{2} O$

(iv) $H C I$

(v) $M g C l_{2}$

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Solution

Answer :

(i) The electron-dot structure of $C O_{2}$ is:

Both oxygen and carbon share their two electrons to form a covalent bond in carbon dioxide, $C O_{2}$ .

(ii) The electron-dot structure of $M g O$ is:

Magnesium donates its two electrons to the oxygen atom to form an ionic bond in magnesium oxide, $M g O$

(iii) The electron-dot structure of $H_{2} O$ is:

The oxygen atom shares its one electron with each hydrogen atom to form a covalent bond in the water molecule.

(iv) The electron-dot structure of $H C I$ is:

The hydrogen atom shares its one electron with a chlorine atom to form a covalent bond.

(v) The electron-dot structure of $M g C l_{2}$ is:

The magnesium atom transfers its one electron to each chlorine atom to form an ionic bond.

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Similar questions

(a) Draw an electron dot diagram to show the structure of each of the following :

(i) Hydronium ion, (ii) Ammonium ion,

(iii) Hydroxyl ion

State the type of bonding present in them.

(b) Give two examples in each case :

(i) Co-ordinate bonds compounds,

(ii) Solid covalent compounds,

(iii) Gaseous polar compounds,

(iv) Gaseous non polar compounds,

(v) Liquid non polar compounds

X Y_{2}

X Y_{2}

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