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Q.
The molecule having non-zero dipole moment is
BHUBHU 2011
Solution:
Sol. $ {{C}_{2}}{{H}_{6}},C{{H}_{4}} $ and $ {{B}_{2}}{{H}_{6}} $
have zero dipole moment due to their symmetrical structures while $ {{H}_{2}}{{O}_{2}} $ has a finite dipole moment due to its non-planar structure.