A diatomic molecule has a dipole moment of 1.2 D. If the bond distance is , then fractional charge on each atom is esu.

(Given: esu·cm)

Question

A diatomic molecule has a dipole moment of 1.2 D. If the bond distance is , then fractional charge on each atom is  esu.

(Given:  esu·cm)

Canvas Classes · Accepted Answer

Dipole moment formula:

where  = charge (esu),  = bond distance (cm)

Step 1 — Convert bond distance:

Step 2 — Convert dipole moment:

Step 3 — Calculate charge:

Step 4 — Fractional charge (fraction of electronic charge):

But the question asks for charge in esu × 10⁻¹:

Expressed as  esu:  esu (using  scale)

Answer: 2

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