West Bengal Police Constable Special Mock Test

Chemistry - Chemical Bond & Molecular Structure

1 / 10

1) In a molecule where the central atom forms three sigma bonds and has one lone pair, what is the expected molecular geometry?

A) Tetrahedral

B) Trigonal planar

C) Trigonal pyramidal

D) Bent

2 / 10

2) Which of the following hybridizations results in a square planar molecular geometry, and is typically observed in complex compounds of transition metals?

A) sp3d

B) sp3

C) sp2

D) dsp2

3 / 10

3) In the context of molecular orbital theory, which of the following statements is true regarding the bond order of diatomic nitrogen (N2) molecule?

A) Bond order is 1, indicating a single bond

B) Bond order is 2, indicating a double bond

C) Bond order is 3, indicating a triple bond

D) Bond order is 4, indicating a quadruple bond

4 / 10

4) A molecule exhibits sp3d2 hybridization. Which of the following geometries is the molecule most likely to adopt?

A) Tetrahedral

B) Square planar

C) Octahedral

D) Trigonal bipyramidal

5 / 10

5) In VSEPR theory, which molecular shape is expected for a molecule with four bonding pairs and one lone pair on the central atom?

A) Bent

B) Trigonal pyramidal

C) See-saw

D) Tetrahedral

6 / 10

6) A compound is observed to be non-polar despite having polar bonds. Which of the following geometric arrangements is most likely responsible for its non-polar nature?

A) Bent

B) Trigonal pyramidal

C) T-shaped

D) Linear

7 / 10

7) Which of the following compounds has a triple bond in its molecular structure?

A) Ethyne

B) Ethane

C) Ethene

D) Butane

8 / 10

8) In terms of molecular orbital theory, which of the following statements best describes the concept of antibonding orbitals?

A) Antibonding orbitals result in increased bond strength

B) Antibonding orbitals are not involved in chemical reactions

C) Antibonding orbitals have lower energy than bonding orbitals

D) Antibonding orbitals contain electrons that do not contribute to bonding

9 / 10

9) Which statement best describes the concept of hybridization in the context of chemical bonding in organic molecules?

A) Hybridization is the splitting of molecular orbitals into atomic orbitals

B) Hybridization involves the redistribution of electrons among molecular orbitals

C) Hybridization involves the mixing of atomic orbitals to form new hybrid orbitals

D) Hybridization is the process of electron transfer between atoms

10 / 10

10) In molecular orbital theory, which molecular orbital configuration is most likely to describe the stability and magnetic properties of the O2 molecule?

A) σ2σ*1π2π*2

B) σ2π2π*4σ*1

C) σ2σ*2π2π*2

D) σ2σ*2σ3σ*3

Your score is

Curriculum

Chemistry (Chemical Bond & Molecular Structure রাসায়নিক বন্ধন এবং আণবিক গঠন)

Report a question

Modal title