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For which molecules among the following, the resultant dipole moment (μ)0?

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Important Questions on Chemical Bonding and Molecular Structure

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Which compound among the following has the highest dipole moment?
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Which of the following molecule has the maximum dipole moment?
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Which compound among the following will have a permanent dipole moment?

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A covalent molecule X-Y is found to have a dipole moment of 1.5×10-29C.m and a bond length of 150pm. The percent ionic character of the bond will be
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Identify the correct set of molecules with different geometries and central atoms with different hybridisations.
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Observe the following molecules.
PCl5,BrF5,ClF5,PF5,ClF3,XeF4,XeF2,IF5
The number of molecules having square pyramidal geometry from the above is
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X and Y are two covalent molecules in which the hybridization of the central atoms is the same, but the shapes are different. What are X and Y?
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In which of the following molecules/ions, the central atom is sp2 hybridized?