Which oxidizing agent will oxidize Br- but not Cl-?
a. K2Cr2O7 (in acid) b. KMnO4 (in acid) c. HNO3
CHE 112 Notes August 22, 24, 26 Week 1 Ionic Bond A ourely electrostatic force of attraction between 2 spaces of opposite charge. - + Covalent Bond Bond Types: A shared pair of electrons (e-) localized between 2 non-metal atoms. 1) Metal & Non-metal 2) Metal & polyatomic anion H H 3) Polyatomic cations & Polyatomic Bond Types: anions 4) Polyatomic cations & nonmetal 5) Non-metal atoms Formula Units: MOLECULES the chemical formula +2 -2 Ca Co3 (crossing method) Ca 2CO 3 2 H O (crossing method) CaCO 3 H 2 1 1:1 H 2 EMPERICAL FORMULA 1:1 Ion Formation: EMPERICAL FORMULA By achieving the e- configuration of Sharing of e- (ionic bonds form by e- the nearest neighboring noble gas transfer) e- transfer REDOX CHE 112 Notes August 22, 24, 26 Week 1 Representing valence electron in molecular structures Bonding e- = roman numeral atop of each column (the DNA of a chemical family, group, column is the valence e- configuration. Molecules = Covalent bond