Chemical Bonding and Molecular Structure MCQs

The hybridisation of carbon in ethene (C₂H₄) is:

• A.sp
• B.sp²
• C.sp³
• D.sp³d

BF₃ is planar because boron is:

• A.sp hybridised
• B.sp² hybridised
• C.sp³ hybridised
• D.unhybridised

The shape of NH₃ molecule is:

• A.Tetrahedral
• B.Trigonal planar
• C.Trigonal pyramidal
• D.Linear

The correct order of bond angle is:

• A.H₂O < NH₃ < CH₄
• B.NH₃ < H₂O < CH₄
• C.CH₄ < NH₃ < H₂O
• D.H₂O < CH₄ < NH₃

According to MOT, O₂ is paramagnetic because it has:

• A.No unpaired electrons
• B.One unpaired electron
• C.Two unpaired electrons
• D.Paired electrons only in bonding orbitals

Bond order of N₂ is:

• A.1
• B.2
• C.3
• D.2.5

The hybridisation of Xe in XeF₄ is:

• A.sp³
• B.sp³d
• C.sp³d²
• D.sp²

In ethyne (C₂H₂), each carbon is:

• A.sp hybridised
• B.sp² hybridised
• C.sp³ hybridised
• D.dsp² hybridised

Which species has the highest bond order among O₂, O₂⁺ and O₂⁻?

• A.O₂
• B.O₂⁺
• C.O₂⁻
• D.All equal

The geometry of SF₆ is:

• A.Tetrahedral
• B.Trigonal bipyramidal
• C.Octahedral
• D.Square planar