Give two example of polar covalent compounds and two examples of non-polar covalent compounds.

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Solution

Polar covalent compounds: This type of compounds are formed when there is a slight difference between the electronegativities of the atoms bonded which results in unequal sharing of electrons between the atoms bonded.
Example of Polar covalent compounds- H₂O, NH₃.
Non-Polar covalent compounds: This type of compound results when there is equal sharing of electrons between the bonded atoms.
Example of non-polar covalent compounds- Cl₂, CO₂

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Similar questions

Give examples for the following:
(a) Ionic chlorides of two different divalent metals.
(b) Two solid covalent compounds.
(c) Two liquid non-polar compounds.
(d) Two gaseous polar compounds.
(e) Two gaseous non-polar compounds.

(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

Taking hydrogen chloride and methane as examples, distinguish between a polar covalent bond and a non-polar covalent bond.

Explain the following:
(a) Covalent compounds are generally gases or liquids or soft solids.
(b) Covalent compounds have low melting point and boiling point.
(c) Non-polar covalent compounds are insoluble in water.
(d) Polar covalent compounds are good conductors of electricity.

Give 2 examples for each

1)Solid Covalent compounds

2)Gaseous Polar Compounds

3)Liquid Non polar Compounds

4) Gaseous Non Polar Compounds

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