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Q.
Which of the following species has polar and non-polar bonds but molecule as a whole is non-polar?
NTA AbhyasNTA Abhyas 2020Chemical Bonding and Molecular Structure
Solution:
In $Si_{2}H_{6}$ both polar $\left(\right.S-H\left.\right)$ and non-polar $\left(Si - Si\right)$ bonds are present but it is non-polar as resultant dipole moment is zero.