what do you understand by partially ionic character in a covalent bond? give five examples of the compounds containing partially ionic covalent bonds.
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When a covalent bond is formed between two atoms of different electronegativities, the more electronegative atom tries to pull the shared pair of electrons to a greater extent towards its own side. As a result, the shared pair gets shifted towards the more electronegative atom. This distorts the electron charge cloud. Consequently, the more electronegative atom acquires a partial negative charge and the less electronegative atom, a partial positive charge. Thus, the bond develops a partial ionic character.
Eg: HF (Hydrogen fluoride)
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