40+ Hybridisation questions and answers

Hybridization (Chemistry – Chemical Bonding) MCQs

Ques. Hybridization is due to the overlapping of
(a) Orbitals of different energy levels
(b) Orbitals of different energy content
(c) Orbitals of the same energy content
(d) None of the above

Ans. (c)

Related: Trigonometry problems

Ques. The bond angle is minimal in
(a) H₂Te
(b) H₂Se
(c) H₂O
(d) H₂S

Ans. (a)

Ques. The two types of bonds present in B₂H₆ are covalent and
(a) Three center bonds
(b) Hydrogen bond
(c) Two center bonds
(d) None of the above

Ans. (a)

Ques. The number of unpaired electrons in O₂ molecule is
(a) 0
(b) 1
(c) 2
(d) 3

Ans. (c)

Related: Animal tissue mcq

Ques. In which compound, the hydrogen bonding is the strongest in its liquid phase?
(a) HF
(b) HI
(c) CH₄
(d) PH₃

Ans. (a)

Ques. The structure of H₂O₂ is
(a) Planar
(b) Non-planar
(c) Spherical
(d) Linear

Ans. (b)

Ques. The two carbon atoms in acetylene are
(a) sp³ hybridized
(b) sp² hybridized
(c) sp hybridized
(d) Unhybridized

Ans. (c)

Ques. Which one has sp²–hybridization?
(a) CO₂
(b) N₂O
(c) SO₂
(d) CO

Ans. (c)

Ques. Which species do not have sp³ hybridization?
(a) Ammonia
(b) Methane
(c) Water
(d) Carbon dioxide

Ans. (d)

Ques. The structure of PF₅ molecule is
(a) Tetrahedral
(b) Trigonal bipyramidal
(c) Square planar
(d) Pentagonal bipyramidal

Ans. (b)

Ques. In diborane, the H – B – H bond angle is 120^o. The hybridization of boron is likely to be
(a) sp
(b) sp²(c) sp³
(d) dsp²

Ans. (c)

Ques. The shape of XeF₄ molecule is
(a) Linear
(b) Pyramidal
(c) Tetrahedral
(d) Square planar

Ans. (d)

Ques. The shape of IF₇ molecule is
(a) Octahedral
(b) Pentagonal bipyramidal(c) Trigonal bipyramidal
(d) Tetrahedral

Ans. (b)

Ques. The molecule of CO₂ has a 180° bond angle. It can be explained on the basis of
(a) sp³ hybridization
(b) sp² hybridization
(c) sp hybridization
(d) d²sp³ hybridization

Ans. (d)

Ques. Compounds formed by sp³d hybridization will have structure
(a) Planar
(b) Pyramidal
(c) Angular
(d) Trigonal bipyramidal

Ans. (d)

Ques. Among the following compounds, which one is planar in shape?
(a) Methane
(b) Acetylene
(c) Benzene
(d) Isobutene

Ans. (c)

Ques. Hybridization involves
(a) Addition of an electron pair
(b) Mixing up of atomic orbitals
(c) Removal of an electron pair
(d) Separation of orbitals

Ans. (b)

Ques. XeF₂ involves hybridization
(a) sp³
(b) sp³d
(c) sp³d²
(d) None of these

Ans. (b)

Ques. Compound having planar symmetry is
(a) H₂SO₄
(b) H₂O
(c) HNO₃
(d) CCL₄

Ans. (c)

Ques. The number of shared electrons between carbon-carbon atoms in an ethylene molecule is
(a) 2
(b) 4
(c) 6
(d) 3

Ans. (b)

Ques. Which of the following molecules has trigonal planer geometry?
(a) IF₃
(b) PCl₃(c) NH₃
(d) BF₃

Ans. (d)

Ques. The geometry and the type of hybrid orbital present in the central atom in BF₃ is
(a) Linear, sp
(b) Trigonal planar, sp²(c) Tetrahedral, sp³
(d) Pyramidal, sp³

Ans. (b)

Ques. Be in BeCl₂ undergoes
(a) Diagonal hybridization
(b) Trigonal hybridization
(c) Tetrahedral hybridization
(d) No hybridization

Ans. (a)

Ques. The bond angle in water molecules is nearly or Directed bonds in water forms an angle of
(a) 120^o
(b) 180^o(c) 109^o 28’
(d) 104^o 30’

Ans. (d)

Related: isomerism questions

Ques. When two pairs of electrons are shared, bond is?
(a) Single covalent bond
(b) Double covalent bond
(c) Dative bond
(d) Triple bond

Ans. (b)

Ques. sp³d² hybrid orbitals are
(a) Linear bipyramidal
(b) Pentagonal(c) Trigonal bipyramidal
(d) Octahedral

Ans. (d)

Ques. Carbon atoms in diamond are bonded to each other in a configuration
(a) Tetrahedral
(b) Planar
(c) Linear
(d) Octahedral

Ans. (a)

Ques. In benzene, all the six C – C bonds have the same length because of
(a) Tautomerism
(b) sp² hybridization
(c) Isomerism
(d) Inductive effect

Ans. (b)

Ques. The nature of hybridization in the NH₃ molecule is
(a) sp
(b) sp²(c) sp³
(d) sp³d

Ans. (c)

Ques. The geometry of the molecule with sp³d² hybridised central atom is
(a) Square planar
(b) Trigonal bipyramidal
(c) Octahedral
(d) Square pyramidal

Ans. (c)