In which pair of substances the electron density is shifted towards the oxygen atom: 1) OF2 and CO; 2) С12О and NO; 3) H2O and OF2?
The electron density is shifted towards the oxygen atom in the pair # 2 C12O and NO, because oxygen appears in these compounds as a more electrically negative element. It pulls off the electron density of the C-O and N-O bonds and acquires a partially negative charge. Only fluorine F is a more electrically negative element. In compounds with it, oxygen atoms acquire a partially positive charge.
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