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The abnormality of HF is due to the presence of hydrogen bonding. They are covalent substances soluble in polar solvents. The bond strength of HX decreases down the group as the bonds become less polar. This property governs the reactivity of the halides.
carbon sigma bond is formed from overlap of an sp3 hybrid orbital on each C atom. Ethanol, C2H6O has 2(4) + 6(1) + 6 = 20 e â The two C atoms and the O atom are sp3 hybridized. All bonds are formed from overlap with these sp3 hybrid orbitals. The CâH and OâH sigma bonds are formed from overlap of sp3 hy-brid orbitals with hydrogen 1s atomic orbitals. The CâC and CâO sigma bonds are formed from overlap of the sp3 hybrid orbitals on each atom. 16. HCN, 1 + 4 + 5 = 10 valence electrons Assuming N is hybridized, both C and N atoms are sp hybridized.