Hybridization 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
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Ques. The bond angle is minimal in
(a) H_­2Te
(b) H₂Se
(c) H₂O
(d) H₂S
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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
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Ques. The number of unpaired electrons in O₂ molecule is
(a) 0
(b) 1
(c) 2
(d) 3
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Ques. In which compound, the hydrogen bonding is the strongest in its liquid phase?
(a) HF
(b) HI
(c) CH₄
(d) PH₃
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Ques. The structure of H₂O₂ is
(a) Planar
(b) Non-planar
(c) Spherical
(d) Linear
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Ques. The two carbon atoms in acetylene are
(a) sp³ hybridized
(b) sp² hybridized
(c) sp hybridized
(d) Unhybridized
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Ques. Which one has sp² –hybridization?
(a) CO₂
(b) N₂O
(c) SO₂
(d) CO
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Ques. Which species do not have sp³ hybridization?
(a) Ammonia
(b) Methane
(c) Water
(d) Carbon dioxide
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Ques. The structure of PF₅ molecule is
(a) Tetrahedral
(b) Trigonal bipyramidal
(c) Square planar
(d) Pentagonal bipyramidal
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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
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Ques. The shape of XeF_­4 molecule is
(a) Linear
(b) Pyramidal
(c) Tetrahedral
(d) Square planar
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Ques. The shape of IF₇ molecule is
(a) Octahedral
(b) Pentagonal bipyramidal
(c) Trigonal bipyramidal
(d) Tetrahedral
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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
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Ques. Compounds formed by sp³d hybridization will have structure
(a) Planar
(b) Pyramidal
(c) Angular
(d) Trigonal bipyramidal
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Ques. Among the following compounds, which one is planar in shape?
(a) Methane
(b) Acetylene
(c) Benzene
(d) Isobutene
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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
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Ques. XeF₂ involves hybridization
(a) sp³
(b) sp³d
(c) sp³d²
(d) None of these
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Ques. Compound having planar symmetry is
(a) H₂SO₄
(b) H₂O
(c) HNO₃
(d) CCL₄
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Ques. The number of shared electrons between carbon-carbon atoms in an ethylene molecule is
(a) 2
(b) 4
(c) 6
(d) 3
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Ques. Which of the following molecules has trigonal planer geometry?
(a) IF₃
(b) PCl₃
(c) NH₃
(d) BF₃
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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
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Ques. Be in BeCl₂ undergoes
(a) Diagonal hybridization
(b) Trigonal hybridization
(c) Tetrahedral hybridization
(d) No hybridization
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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’
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Ques. When two pairs of electrons are shared, bond is?
(a) Single covalent bond
(b) Double covalent bond
(c) Dative bond
(d) Triple bond
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Ques. sp³d² hybrid orbitals are
(a) Linear bipyramidal
(b) Pentagonal
(c) Trigonal bipyramidal
(d) Octahedral
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Ques. Carbon atoms in diamond are bonded to each other in a configuration
(a) Tetrahedral
(b) Planar
(c) Linear
(d) Octahedral
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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
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Ques. The nature of hybridization in the NH₃ molecule is
(a) sp
(b) sp²
(c) sp³
(d) sp³d
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Ques. The geometry of the molecule with sp³d² hybridised central atom is
(a) Square planar
(b) Trigonal bipyramidal
(c) Octahedral
(d) Square pyramidal
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