The interhalogen compound BrF3 is a volatile, straw-colored liquid. The compound exhibits appreciable electrical conductivity because of autoionization (“solv” refers to BrF3 as the solvent): 2 BrF31l2 ∆ BrF2 +1solv2 + BrF4- 1solv2 The electrical conductivity of BrF3 decreases with increasing temperature. Is the autoionization process exothermic or endothermic?

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