1.

The covalency of oxygen in hydronium ion is equal to number of

Answer»

covalent BONDS
co-ordinate bonds
covalent bonds and co-ordinate bonds
valence electrons

Solution :In hydronium ion both co-ordinate and covalent bonds are PRESENT. Hence, the COVALENCY of oxygen in hydronium ion is equal to number of covalent bonds and co-ordinate bonds.


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