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

If Z-axis is the internuclear axis, which of the following combinations are not permissible? 1s -1s

If Z-axis is the internuclear axis, which of the following combinations are not permissible? 2p_x -2p_x

If the z-axis if taken as the internuclear axis, then which of the following combinations of atomic orbitals is a nonbonding combination?

If Z-axis is the internuclear axis, which of the following combinations are not permissible? 2p_z - 2p_z

If Z-axis is the internuclear axis, which of the following combinations are not permissible? 1s - 2p_z

If Z-axis is the internuclear axis, which of the following combinations are not permissible? 2s- 2P_x

If Z-axis is the internuclear axis, which of the following combinations are not permissible? 2p_x - 2p_y

Considerting x-axis as the internuclear axis, which out of the following atomic orbitals will form a sigma bond? a. 1s and 1s b. 1s and 2p_(x) c. 2p_(3) and 2p_(y) d. 1s and 2s

Considering X-axis as the internuclear axis, which out of the following atomic orbitals will form a sigma bond ? a) 1S and IS b) 1S and 2 P_x c)2 P_y and 2P_y d) IS and 2S

If the z-axis is internucleus axis, which of the following orbital can't form delta -bond?