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Chemical Bonding MCQ for NEET

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Chemical Bonding MCQ for NEET. We covered all the Chemical Bonding MCQ for NEET in this post for free so that you can practice well for the exam.

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MCQ on Chemical Bonding for NEET Students

In which of the following compounds, all bond lengths are NOT equal?

(A) XeF4

(B) C₂H₂

(C) BF4

(D) CH4

Option b – C₂H₂

Which of the following have the same shape? (1) CO2 (II) SO₂ (III) H₂S (IV) SiF4 (V) 03

(A) (I) and (II)

(B) (II), (III) and (V)

(C) (I), (III), and (V)

(D) (II), (III) and (IV)

Option b – (II), (III) and (V)

Among the following, which compound will show the highest lattice energy?

Which State of India experiences the maximum annual variation of rainfall?

(A) Meghalaya

(B) Kerala

(C) Rajasthan

(D) West Bengal

Show Answer

(A) KF

(B) NaF

(C) LiF

(D) RbF

Option c – LiF

Which of the following statements is CORRECT?

(A) The promotion of an electron to the next orbital is an essential condition for hybridization to take place.

(B) The number of hybrid orbitals is twice the number of atomic orbitals that are hybridized.

(C) The hybrid orbitals are always equivalent in energy and shape.

(D) It is necessary that only half-filled orbitals should participate in hybridization.

Option c – The hybrid orbitals are always equivalent in energy and shape

The compound that will have a permanent dipole moment among the following is ……….

Pakyong Airport is located in?

(A) Sikkim

(B) Jammu and Kashmir

(C) Arunachal Pradesh

(D) Mizoram

Show Answer

(A) 1,4-dichlorobenzene

(B) trans-1,2-dichloroethene

(C) 1,3-dichlorobenzene

(D) trans-1-chloropropene

Option d – trans-1-chloropropene

Which of the following is CORRECTLY matched?

(A) BF3 – a polar molecule with non-polar bonds

(B) CCl4 – a polar molecule with polar bonds

(C) CHCl3 – a polar molecule with polar bonds

(D) H₂S – non-polar molecule with polar bonds

Option c – CHCl3 – a polar molecule with polar bonds

The formation of HF molecule involves ……….

(A) s-p sigma bond

(B) s-s sigma bond

(C) s-p pi bond

(D) p-p sigma bond

Option a – s-p sigma bond

Statement (1): The bonding molecular orbital has greater electron density in the region between the two nuclei of bonded atoms whereas the antibonding molecular orbital has lesser electron density in the region between the two nuclei of the atoms. Statement (2): The bonding molecular orbital has higher energy and higher stability whereas the antibonding molecular orbital has lower energy and lower stability as compared to the combining atomic orbitals. Select the most appropriate option.

(A) Both statements are correct.

(B) Both statements are incorrect.

(C) Statement (1) is correct but statement (2) is incorrect.

(D) Statement (1) is incorrect but statement (2) is correct.

Option c – Statement (1) is correct but statement (2) is incorrect.

The smallest bond angle is present in ………

(A) SF6

(B) CH4

(C) BeF2

(D) BF3

Option a – SF6

When orbitals of two atoms come close to forming a bond, their overlap may be positive, negative, or zero. Which of the following will result in zero overlaps if the z-axis is the internuclear axis?

(A) Px + Py

(B) + Pz + s

(C) s + s

(D) Pz + Pz

Option a – Px + Py

In which of the following compounds, the central atom has two lone pairs of electrons?

(A) SF4

(B) BrFs

(C) SO₂

(D) XeF4

Option d – XeF4

According to VSEPR theory, ………. molecule has a square pyramidal shape.

(A) SF6

(B) BrF3

(C) SeF6

(D) IF5

Option d – IF5

Assertion: p-nitrophenol has a lower boiling point than o-nitrophenol. Reason: In p-nitrophenol, there is intermolecular hydrogen bonding while in o-nitrophenol, there is intramolecular hydrogen bonding.

(A) Assertion and Reason are true. The reason is the correct explanation of the Assertion.

(B) Assertion and Reason are true. The reason is not the correct explanation of the Assertion.

(C) The assertion is true, and the Reason is false.

(D) The assertion is false, Reason is true.

Option d – The assertion is false, Reason is true.

From the following, which substance will have the highest boiling point?

(A) He

(B) CsF

(C) NH3

(D) CHCI3

Option b – CsF

Which of the following will NOT form a sigma bond if the x-axis is considered as the internuclear axis?

(A) 1s and 1s

(B) 1s and 2px

(C) 2py and 2py

(D) 1s and 2s

Option c – 2py and 2py

The number of bond pair(s) and lone pair(s) of electrons on Xe atom in XeF₂ is respectively …….

(A) 2 and 1

(B) 2 and 2

(C) 3 and 2

(D) 2 and 3

Option d – 2 and 3

Among the following, ………. is an odd electron molecule.

(A) boron trifluoride

(B) nitric oxide

(C) carbon monoxide

(D) lithium chloride

Option b – nitric oxide

In which of the following, molecules are arranged in decreasing order of bond angle?

(A) BCl3> SiF4> BrF5

(B) H₂O> BeF2 > BF3

(C) BrF5 > CO₂ > SiF4

(D) BeF₂> H₂O > BCl3

Option a – BCl3> SiF4> BrF5

Which of the following molecules is diamagnetic?

(A) B₂ and N₂

(B) N₂ and F₂

(C) O₂ and F₂

(D) B₂ and O₂

Option b – N₂ and F₂

Which of the following is INCORRECT for the IF7 molecule?

(A) The iodine atom undergoes sp³d³ hybridization.

(B) The bond angle between two equatorial fluorine atoms is 72°.

(C) The shape of the molecule is pentagonal bipyramidal.

(D) Two lone pairs of electrons occupy axial positions.

Option d – Two lone pairs of electrons occupy axial positions.

Which of the following is a linear molecule?

(A) HgCl₂

(B) BH3

(C) OF₂

(D) SnCl₂

Option a – HgCl₂

The maximum number of lone pairs of electrons on the central atom is present in which of the following species?

(A) CIO3

(B) I3

(C) ASCl3

(D) H₂S

Option b – I3

The number of unpaired electrons in a diatomic ion of an element with atomic number 6 and having a charge of -2 is ……..

(A) 0

(B) 1

(C) 2

(D) 3

Option a – 0

Which of the following statements is NOT CORRECT from the viewpoint of molecular orbital theory?

(A) Ne₂ is not a stable molecule.

(B) He₂ is not stable but He is expected to exist.

(C) The bond strength of N₂ is maximum amongst the homonuclear diatomic molecules of elements belonging to the second period.

(D) The bond order of Li₂ is the same as that of 0₂.

Option d – The bond order of Li₂ is the same as that of 0₂.

The number of electrons in the valence shell of the sulphur atom in sulphur dichloride and sulphur hexafluoride is…….. respectively.

(A) 10, 12

(B) 8, 12

(C) 6, 10

(D) 12, 12

Option b – 8, 12

Which of the following is INCORRECT regarding Li₂ molecule?

(A) It is diamagnetic.

(B) Its bond order is 1.

(C) It has 4 electrons in bonding molecular orbitals.

(D) It is unstable and does not exist.

Option d – It is unstable and does not exist.

The percentage of p-character in the hybrid orbitals of graphite and diamond are respectively ………

(A) 25 and 75

(B) 50 and 75

(C) 67 and 75

(D) 33 and 75

Option c – 67 and 75

Which of the following is the CORRECT statement?

(A) The magnitude of H-bonding does not depend on the physical state of the compound.

(B) The H-bond is much stronger than the covalent bond.

(C) A coordinate bond is a type of covalent bond in which both the electrons in the shared pair come from one atom.

(D) A covalent bond in which electrons are shared unequally is called a nonpolar covalent bond.

Option c – A coordinate bond is a type of covalent bond in which both the electrons in the shared pair come from one atom.

According to MOT, the diatomic molecule that would be stabilized by the removal of an electron is ……….

(A) 0₂

(B) C₂

(C) N₂

(D) B2

Option a – 0₂

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