Classify the following molecules as polar and non- polar molecules.

(i) $H_{2} O$ , (ii) ${CCl}_{4}$ (ii) ${NH}_{3}$

Give reason for your classification.

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Solution

H₂O

Polar

Oxygen is more electronegative than hydrogen hence attracts the shared pair of electron towards itself

CCl₄

Non- polar

There are 4 chlorine atoms. All of them try to attract the electrons towards themselves hence cancelling the polarity

NH₃

Polar

Nitrogen is more electronegative than hydrogen hence attracts the shared pair of electron towards itself.

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H₂O	Polar	Oxygen is more electronegative than hydrogen hence attracts the shared pair of electron towards itself
CCl₄	Non- polar	There are 4 chlorine atoms. All of them try to attract the electrons towards themselves hence cancelling the polarity
NH₃	Polar	Nitrogen is more electronegative than hydrogen hence attracts the shared pair of electron towards itself.

Classify the following molecules as polar and non- polar molecules. (i) H2O, (ii) CCl4 (ii) NH3 Give reason for your classification.

Classify the following molecules as polar and non- polar molecules.

(i) $H_{2} O$ , (ii) ${CCl}_{4}$ (ii) ${NH}_{3}$

Give reason for your classification.