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Which one of the following statements is not true?

(A) The atomic orbitals that overlap to form the C-H σ bonding molecular orbital of ethane, CH₃CH₃ are Csp³ + H1s.

(B) The atomic orbitals that overlap to form the C-H σ bonding molecular orbitals of ethene, H₂C=CH₂, are Csp² + H1s.

(C) The atomic orbitals that overlap to form the C-C σ molecular bonding orbital of ethyne, HC≡CH, are Csp + Csp.

(D) The atomic orbitals that overlap to form the C-O σ molecular bonding orbital of formaldehyde, H₂C=O, are Csp² + Osp.

(E) The atomic orbitals that overlap to form the C-H σ molecular bonding orbital of formaldehyde, H₂C=O, are Csp² + H1s.