Class 11 Chemistry (Part I) Chapter 4 Chemical Bonding And Molecular Structure Quiz 12 (7 MCQs)

Quiz Instructions

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1. Explain what holds the metal atoms together in the solid.

Correct Answer: C) Metallic bonds.

2. Which of the following best describes resonance structures?

Correct Answer: B) They are different ways to represent the same molecule.

3. The hybridization of orbitals of N atom in NO$_{3}$$^{-}$, NO$_{2}$$^{+}$ and NH$_{4}$$^{+}$ are respectively

Correct Answer: C) Sp2, sp, sp3.

4. The geometry of a molecule with 2 bonded pairs of electrons and 2 lone pairs of electrons

Correct Answer: C) Bent.

5. What is the relationship between lattice energy and the strength of the attractive force holding ions in place?

Correct Answer: B) The more negative the lattice energy is, the greater the force.

6. What is the relationship between atomic mass and isotopes?

Correct Answer: D) Isotopes of the same element have different atomic masses.

7. Which excited state of Boron (B) in BCl3 participate to form hybridised orbitals before reacting with Chlorine (Cl)?

Correct Answer: B) 1.