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Q.
Which of the following is incorrect match ?
Chemical Bonding and Molecular Structure
Solution:
$SiF _{4} \rightarrow$ Si have vacant d-orbital so can act as Lewis acid. $\to$ In benzyne all C-atoms are $sp^2$ hybridised. $\to$ This is polar molecule. $\to$ The nodal planes of $\pi -$ bonds are perpendicular to each other.