Question

Which has the highest dipole moment among cyclo prop 1 one,cyclo prop 2 bromo 1one,cyclo prop 2 ene 1one and cyclo pent 2,4 di ene 1 one.

Answer 1

Answer on Question #76945, Chemistry / Organic Chemistry

Question:

Which has the highest dipole moment among cyclopropan-1-one, cyclopropan-2-bromo-1-one, cycloprop-2-ene-1-one and cyclopent-2,4-diene-1-one?

Answer:

cycloprop-2-ene-1-one

Due to aromatic stabilization of tautomeric structure (see below).

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