The correct statement among the following is:

1. When a covalent bond is formed, transfer of electrons takes place 
2. Pure H2O does not contain any ion 
3. A bond is formed when attractive forces overcome repulsive forces 
4. HF is less polar than HBr 

Subtopic:  Types of Chemical Bond | Covalent Bond | Polarity |
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From NCERT
JEE
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