Question

In crystals, adjacent Fe2+ and Ti4+ have a characteristic effect on this property. Heating alkali metal halides unusually changes this property by forming F-centers. A change in this property is produced (15[1])by an equilibrium between a ring opening and closing at the oxygen of a sultone or lactone in many triarylmethane compounds. Point defects in lattices that change this property are called this property’s namesake (*) centers. In many compounds, this property is caused by charge-transfer bands. Electronic transitions between d orbitals confer this property to many coordination complexes (10[2])of transition metals. (10[1])A change in this property at the equivalence point marks the end of acid-base titration. For 10 points, name this property (10[1])used to show the pH of a solution by indicators such as phenolphthalein. ■END■

ANSWER: color [prompt on absorption spectrum (either underlined word)]
<Gerhardt Hinkle, Chemistry>
= Average correct buzz position

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Buzzes

PlayerTeamOpponentBuzz PositionValue
Ewan MacAulayScottish, Irish, Both or NeitherYes, Moderator3015
Justin Lee3HK1MMEdinburgh8710
Andrew Rout10 Negs that Shook the QuizTabearnacle8710
Max EspensenOld London TownFoucault's Penndulum9010
Matt BoothFour Neg OmeletteBetrayed by Rita Izzatdust11110

Summary

2023 Penn Bowl @ Waterloo10/28/2023Y4100%0%50%106.75
2023 Penn Bowl @ FSU10/28/2023Y1100%0%100%103.00
2023 Penn Bowl (Norcal)10/28/2023Y2100%50%50%84.50
2023 Penn Bowl (South Central)10/28/2023Y3100%0%33%112.67
2023 Penn Bowl (UK)10/28/2023Y5100%20%0%81.00
2023 Penn Bowl @ UNC10/28/2023Y3100%33%33%80.67