1. Which of the following has the strongest C---O bond? A) CO B) CO2 C) CO3^2- D

Question

1. Which of the following has the strongest C---O bond? A) CO B) CO2 C) CO3^2- D) all three have approximately the same C---O bond dissociation energy.
2. For a given arrangement of ions, the lattice energy increases as ionic radius_____and as ionic charge_____. A) increases, decreases B) increases, increases C) decreases, increases D) decreases, decreases E) this cannot be predicted

1. Which of the following has the strongest C---O bond? A) CO B) CO2 C) CO3^2- D) all three have approximately the same C---O bond dissociation energy.
2. For a given arrangement of ions, the lattice energy increases as ionic radius_____and as ionic charge_____. A) increases, decreases B) increases, increases C) decreases, increases D) decreases, decreases E) this cannot be predicted

A) CO B) CO2 C) CO3^2- D) all three have approximately the same C---O bond dissociation energy.
2. For a given arrangement of ions, the lattice energy increases as ionic radius_____and as ionic charge_____. A) increases, decreases B) increases, increases C) decreases, increases D) decreases, decreases E) this cannot be predicted

Explanation / Answer

1) option A ;

the strongest C-O bond present in CO because the bonds between carbon and oxygen are 3

2) option C; decreases, increases

as the charge of the ions increases the lattice energy increases (becomes more negative), and as the radius decreases (the ions in the ionic solid are closer together) the lattice energy increases

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