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Sp2-Hybridization MDCAT MCQs with Answers

Welcome to the Sp2-Hybridization MDCAT MCQs with Answers. In this post, we have shared Sp2-Hybridization Multiple Choice Questions and Answers for PMC MDCAT 2024. Each question in MDCAT Chemistry offers a chance to enhance your knowledge regarding Sp2-Hybridization MCQs in this MDCAT Online Test.

The hybridization of the central carbon atom in ethylene (C₂H₄) is:
a) sp
b) sp²
c) sp³
d) dsp²

Answer
b

In sp² hybridization, the number of hybrid orbitals formed is:
a) 2
b) 3
c) 4
d) 5

Answer
b

The bond angle in a molecule with sp² hybridization is approximately:
a) 109.5°
b) 120°
c) 180°
d) 90°

Answer
b

The geometry of an sp² hybridized molecule is:
a) Linear
b) Trigonal planar
c) Tetrahedral
d) Trigonal bipyramidal

Answer
b

Which of the following molecules has sp² hybridization?
a) Acetylene (C₂H₂)
b) Methane (CH₄)
c) Ethylene (C₂H₄)
d) Ammonia (NH₃)

Answer
c

The carbon-carbon double bond in ethylene (C₂H₄) consists of how many π bonds and how many σ bonds?
a) 1 π bond and 1 σ bond
b) 2 π bonds and 1 σ bond
c) 1 π bond and 2 σ bonds
d) 2 π bonds and 2 σ bonds

Answer
b

In sp² hybridization, the hybrid orbitals are oriented in which arrangement?
a) Tetrahedral
b) Linear
c) Trigonal planar
d) Octahedral

Answer
c

The number of unhybridized p orbitals in an sp² hybridized atom is:
a) 1
b) 2
c) 3
d) 4

Answer
1

An example of a molecule with sp² hybridization and a trigonal planar structure is:
a) Acetylene (C₂H₂)
b) Hydrogen cyanide (HCN)
c) Ethylene (C₂H₄)
d) Carbon dioxide (CO₂)

Answer
c

The type of bonds in an sp² hybridized molecule includes:
a) Only σ bonds
b) Only π bonds
c) Both σ and π bonds
d) No bonds

Answer
c

The sp² hybridization involves the mixing of which orbitals?
a) One s and two p orbitals
b) One s and one p orbitals
c) Two s and one p orbitals
d) One s and three p orbitals

Answer
a

In sp² hybridization, the hybrid orbitals are oriented:
a) 90° to each other
b) 120° to each other
c) 180° to each other
d) 109.5° to each other

Answer
b

The central atom in formaldehyde (CH₂O) is:
a) sp hybridized
b) sp² hybridized
c) sp³ hybridized
d) dsp² hybridized

Answer
b

In sp² hybridization, the number of lone pairs of electrons on the central atom in formaldehyde (CH₂O) is:
a) 0
b) 1
c) 2
d) 3

Answer
0

The geometry around the central atom in an sp² hybridized molecule is:
a) Linear
b) Trigonal planar
c) Tetrahedral
d) Bent

Answer
b

The bond angles in sp² hybridized compounds are:
a) 120°
b) 109.5°
c) 180°
d) 90°

Answer
a

In ethylene (C₂H₄), the central carbon atoms are sp² hybridized and form:
a) One π bond and one σ bond with each other
b) Two π bonds and one σ bond with each other
c) One π bond and two σ bonds with each other
d) Two π bonds and two σ bonds with each other

Answer
b

The hybridization of the central atom in boron trifluoride (BF₃) is:
a) sp
b) sp²
c) sp³
d) dsp²

Answer
b

In sp² hybridization, the number of hybrid orbitals is:
a) 2
b) 3
c) 4
d) 5

Answer
b

The bond angles in an sp² hybridized molecule like ethylene (C₂H₄) are closest to:
a) 120°
b) 109.5°
c) 180°
d) 90°

Answer
a

In the sp² hybridization of carbon, the unhybridized p orbitals are:
a) Perpendicular to the hybrid orbitals
b) Parallel to the hybrid orbitals
c) Along the hybrid orbital axis
d) Not involved in bonding

Answer
a

The central atom in ethylene (C₂H₄) forms how many π bonds?
a) 1
b) 2
c) 3
d) 4

Answer
1

Which bond in ethylene is not a result of sp² hybridization?
a) σ bond between carbon atoms
b) π bond between carbon atoms
c) σ bond between carbon and hydrogen
d) π bond between carbon and hydrogen

Answer
b

In sp² hybridization, the two hybrid orbitals are oriented:
a) 90° to each other
b) 120° to each other
c) 180° to each other
d) 109.5° to each other

Answer
b

The geometry of an sp² hybridized molecule with three substituents is:
a) Linear
b) Trigonal planar
c) Tetrahedral
d) Bent

Answer
b

In which of the following molecules is sp² hybridization observed?
a) Methane (CH₄)
b) Acetylene (C₂H₂)
c) Ethylene (C₂H₄)
d) Carbon dioxide (CO₂)

Answer
c

The number of π bonds in a molecule with sp² hybridization and a double bond is:
a) 1
b) 2
c) 3
d) 0

Answer
1

The type of bonds in an sp² hybridized carbon in ethylene (C₂H₄) include:
a) σ and σ bonds only
b) π and π bonds only
c) σ and π bonds
d) σ bonds and no π bonds

Answer
c

The hybridization of the central atom in sulfur dioxide (SO₂) is:
a) sp
b) sp²
c) sp³
d) dsp²

Answer
b

The number of sigma (σ) bonds formed by an sp² hybridized carbon atom in ethylene (C₂H₄) is:
a) 1
b) 2
c) 3
d) 4

Answer
c

Which of the following has sp² hybridization with a lone pair on the central atom?
a) Boron trifluoride (BF₃)
b) Nitrogen dioxide (NO₂)
c) Formaldehyde (CH₂O)
d) Ethylene (C₂H₄)

Answer
b

The structure of benzene (C₆H₆) can be explained by which type of hybridization of carbon atoms?
a) sp
b) sp²
c) sp³
d) dsp²

Answer
b

In which of the following molecules does the central atom undergo sp² hybridization and has one π bond?
a) Water (H₂O)
b) Carbon dioxide (CO₂)
c) Ethylene (C₂H₄)
d) Hydrogen cyanide (HCN)

Answer
c

The hybridization of carbon atoms in graphite is:
a) sp
b) sp²
c) sp³
d) dsp²

Answer
b

The resonance structure of benzene involves which hybridization of carbon atoms?
a) sp
b) sp²
c) sp³
d) dsp²

Answer
b

The hybridization of the central atom in the carbonate ion (CO₃²⁻) is:
a) sp
b) sp²
c) sp³
d) dsp²

Answer
b

Which of the following statements is correct regarding the geometry of sp² hybridized molecules?
a) They have a linear geometry
b) They have a trigonal planar geometry
c) They have a tetrahedral geometry
d) They have a bent geometry

Answer
b

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