Concept explainers
Interpretation:
The bond polarity needs to be arranged from least to greatest in the given bonds:
Concept introduction:
In covalent compounds, atoms are bonded with covalent bonds which are formed by equal sharing of electrons. The polar and non-polar covalent compounds can be classified on the basis of polarity of
The more electronegative atom gets partial negative charge whereas less electronegative atom gets partial positive charge.

Answer to Problem 128A
Explanation of Solution
As the electro negativity difference between bonded atoms increases, the bond polarity also increases. Thus the bond between most electropositive and most electronegative atom must be most polar. In the given atoms, O is most electronegative element whereas Ge is the least electronegative element. Hence the order of polarity can be written as:
Thus, the bond polarity depends on the electro negativities of bonded atoms.
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