Use the symbols d+ and d- to show the direction of the polarity of the bond between carbon and oxygen.H3C OHAccording to Table 1.3, the electronegativity of carbon is 2.5 and the electronegativity of oxygen is 3.5.Because oxygen is more electronegative than carbon, oxygen has a partial negative charge and carbon hasa partial positive charge.H3C OH
REDOX REACTIONS Redox reactions refer to the simultaneous oxidation and reduction of reactants in a chemical reaction. The substance being reduced gains an electron, and thus is oxidizing the other substance the oxidizing agent. The substance being oxidized loses an electron, and thus is reducing the other substance reducing agent. o A helpful pneumonic to remember this is OIL RIG: oxidation is losing; reduction is gaining. Balancing redox reactions can be tricky, and depend on whether you are in acidic or basic conditions. The first step is to write the reaction into 2 separate half reactions: Ex. Cu + 2Ag Cu 2++ 2Ag Step 1: Our first half reaction: Cu Cu 2+ (it is already obvious that this is what is being oxidized, since it
