\(16H^++2MnO^-_4+5C_2O^{2-}_4→10CO_2+2Mn_{2+}+8H_2O\)
During titration of oxalic acid by KMnO4, oxalic acid converts into CO2.
∴ Change in oxidation state of carbon = 1
Hydrocarbons are organic compounds that are entirely made up of only two kinds of atoms – carbon and hydrogen. Typically, hydrocarbons are colourless gases that have very weak odours.
According to experimental evidences, SE (S = substitution; E = electrophilic) reactions are supposed to proceed via the following three steps: