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COMEDK2025ChemistryChemical Bonding and Molecular StructureActual

The chloro compound having the lowest dipole moment is:

Options

  1. ACH ₃ Cl
  2. BCH ₂ Cl ₂

Correct answer

B. CH ₂ Cl ₂

Step-by-step solution

The first image represents (E)-2-chloroprop-1-ene or a similar isomer, but specifically, it is 2-chloroprop-1-ene with a chlorine on each carbon in a trans-like arrangement relative to the double bond. The second image represents 1,1-dichloro-1-propene or a similar isomer. Let us analyze the dipole moments of the given structures. The first structure shown is (E)-2-chloroprop-1-ene (or trans-1,2-dichloro-1-propene). In this molecule, the two chlorine atoms are on opposite sides of the double bond. The bond dipoles

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