Which of the following represents the most effective overlapping?

Which of the following is correct for the $N_2$ triple bond?

Which of the following would result in the formation of the strongest $\pi-$ bond if the molecular axis is the $x-$axis?

Which one is stronger,$\sigma$ bond or $\pi$ bond? Why?

Which type of orbitals overlap with each other in benzene?

$A$ molecule $(X)$ has $(i)$ four sigma bonds formed by the overlap of $sp^2$ and $s$ orbitals,(ii) one sigma bond formed by $sp^2$ and $sp^2$ orbitals,and (iii) one $\pi$ bond formed by $p_z$ and $p_z$ orbitals. Which of the following is $X$?