Which of the following molecule has weakest $(p \pi - d \pi)$ back bonding ?
$OCl_2$
$N(SiH_3)_3$
$SiF_4$
$O(SiH_3)_2$
Which does not show resonance
Which one in the following is not the resonance structure of $C{O_2}$
In benzene molecule all $C - C$ bond lengths are equal because
The correct order of $Cl - O$ bond order is
Choose the $CORRECT$ comparison of decreasing $\pi -$ bond order of $S-O$ bond ?