Draw an electron dot diagram to show the structure of hydronium ion. State the type of bonding present in it:

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Solution

Here during the bond formation between hydrogen ion and water molecule the shared electron pair is contributed by oxygen only and hence the bond formed is known as cooradinate 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

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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