HL IB Hybridisation, resonance and shapes of moleculs

Which types of hybridization are present in glycine?

• C* sp²

  N sp³

  O* sp²

• C* sp²

  N sp³

  O* sp

• C* sp

  N sp²

  O* sp²

• C* sp

  N sp²

  O* sp

Which molecule has a tetrahedral molecular geometry?

• HNO₃

• SF₄

• XeF₄

• XeO₄

In which compound are all carbon atoms sp³ hybridized?

• C₂H₂

• C₂H₂Cl₂

• C₂Cl₄

• C₂Cl₆

What is the formal charge of the oxygen atom in H₃O⁺?

• −2

• −1

• 0

• +1

What is the molecular geometry of SF₄?

• Tetrahedral

• Trigonal bipyramidal

• See-saw

• Square planar

Which molecules contain two pi (π) bonds?

I.   HCN
II.  H₂CO₃
III. H₂C₂O

•   I and II only

•   I and III only

• II and III only

• I, II and III

What is the electron domain geometry of Si in SiO₂?

• bent

• linear

• square planar

• tetrahedral

Which combination correctly describes the geometry of BrF₄^-?

• A

• B

• C

• D

Which species has delocalized electrons?

• OH⁻

• H₂CO

• CO₂

• CO₃²⁻

Which overlap of atomic orbitals leads to the formation of only a sigma (σ) bond?

       I.     s − p

       II.     p − p

       III.     s − s

•  I and II only

•  I and III only

•  II and III only

•  I, II and III