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ChemistryGeneral Chemistry

Polar Bonds: Compare the Polarity of Seven Bond Pairs

Compare seven pairs of polar bonds using electronegativity differences and identify each more polarized bond.

Question

For every pair, choose the bond with the greater polarity:

(a) H–F or H–Cl

(b) N–O or C–O

(c) S–H or O–H

(d) P–Cl or S–Cl

(e) C–H or N–H

(f) S–O or P–O

(g) C–N or N–N

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Evidence boundary

The seven bond pairs follow OpenStax Chemistry 2e Exercise 7.21. Compact source labels such as NO and CO denote N–O and C–O bonds here, not complete molecular dipoles. Differences use the rounded electronegativities in that textbook; this is a theoretical bond comparison, not a measured dipole-moment dataset.