why covalent bond becomes polar??
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Covalent bond becomes polar when the bond is formed with an electronegative atom.
The electronegative atom has a tendency to pull the electrons of the other atom towards itself creating δ+ and δ- charges due to which it becomes polar (two poles so dipolar)
Examples: HF, HCL
The electronegative atom has a tendency to pull the electrons of the other atom towards itself creating δ+ and δ- charges due to which it becomes polar (two poles so dipolar)
Examples: HF, HCL
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