Which of the following combination of orbitals can not form bond. (If x axis in internuclear axis)

Which of the following combination of orbitals do / does not form bond (if x-axis is internuclear axis) ?

According to VBT the extent of overlapping depends upon types of orbitals involved in overlapping and nature of overlapping. More will be the overlapping and the bond energy will also be high. Which of the following combination of orbitals does not form covalent bond (x-axis is inter nuclear axis) :

According to VBT the extent of overlapping depends upon types of orbitals involved in overlapping and nature of overlapping. More will be the overlapping and the bond energy will also be high. Which of the following combination of orbitals does not form covalent bond (x-axis is inter nuclear axis) :

According to VBT the extent of overlapping depends upon types of orbitals involved in overlapping and nature of overlapping. More will be the overlapping and the bond energy will also be high. Which of the following combination of orbitals does not form covalent bond (x-axis is inter nuclear axis) :

Molecular orbital theory as developed by Hund and Mulliken concerns with the formation of molecular orbitals formed by linear combination of atomic orbitals. The electrons are present in these molecular orbitals. The molecular orbitals are filled. The molecular orbital configuration helps us to calculate bond order which gives information about the number of bonds present between atoms. The bond order is related to bond length and bond strength. Which of the following combination does ot give sigma MO (assume Z - axis as internuclear axis)

If z-axis be the internuclear axis, which of the following combination of orbitals would not form pi -bond?