(ppr 2)in nov 04 ques 3 (a)iii
at the anode th oxidation number goes from -1 to 0 (oxidation)
at the cathode the oxidation num is supposed 2 go from +1 to 0 (reduction)
th ms says -1 to 0 at th cathode- is t a mistake?
one more question
nov05 Q2 (d)
shouldnt it be like : -395+(2*-298)+(delta H formation) = -1110
its exothermic since bonds r formed so the answer must be negative
but in th ms its positive (they did it in a diff way)
