Which of the following linear combination of atomic orbitals will lead to formation of molecular orbitals in homonuclear diatomic molecules [internuclear axis in $z$-direction] ? A. $2 \mathrm{p}_{\mathrm{z}}$ and $2 \mathrm{p}_{\mathrm{x}}$ B. 2 s and $2 \mathrm{p}_{\mathrm{x}}$ C. $3 \mathrm{~d}_{\mathrm{xy}}$ and $3 \mathrm{~d}_{\mathrm{x}^2-y^2}$ D. 2 s and $2 \mathrm{p}_{\mathrm{z}}$ E. $2 p_z$ and $3 d_x{ }^2-y^2$ Choose the correct answer from the options given below:

• A

  A and B Only
• Correct answer
  B

  D Only
• C

  E Only
• D

  C and D Only

Hence, the correct answer is option: 'B'.