Complete the following reactions :
`C_2H_4+O_2 rarr `

Complete the following reactions : C_(2)H_6 + O_2 rarr .......... + ...........

Complete the following reactions : C_2H_4 + HBr rarr

Complete the following reactions : C_2H_4 + H_2O overset(H_2SO_4) rarr

Complete the following reactions : C_2H_5OH + O_2 overset("Bacterium")underset("Mycoderma aceti")rarr

Complete the following reactions : C + H_2 rarr

Complete the following reactions : Al_4C_3 + H_2O rarr ........... + ................

Complete the following reaction , HBr + H_2SO_4 rarr

Complete the following reaction , FeO + H_2SO_4 rarr

Complete the following reactions: (a) MnO_2+KOH +O_2 rarr (b) I^-+MnO_4^-+H^+ rarr ( c) Cr_2O_7^(2-)+Sn^(2+)+H^+rarr

Complete the following reactions: (i) C_(2) H_(4) + O_(2) to (ii) 4Al + 3 O_(2) to