Question

smallest internuclear distance is found in

Answer 1

Answer:

solid

Explanation:

because molecules are tightly packed

Answer 2

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Smallest internuclear distance is found in (a) O₂ (b) O₂²⁺ (c) O₂⁻ (d) O₂²⁻

Answer:

Smallest internuclear distance is found in O₂²⁺ .

Explanation:

• Internuclear distance is the distance between two nuclei in a molecule.
• The length of a bond is inversely proportional to the bond order; the higher the bond order, the shorter the length of the bonds. This occurs as the higher bond order causes an increased amount of attraction between the atoms, resulting in a shortened bond.

1. In O₂, the bond order = 2
2. In O₂²⁺, the bond order = 3
3. In O₂⁻ , the bond order= 1.5
4. In O₂²⁻ , the bond order = 1

As the bond order in O₂²⁺ is highest, So its internuclear distance is smallest.