Chemistry

Toluene 1)Oxidation with kmno4 mechanism 2)Benzoic acid (C6H5cooH)+Socl2 3)Benzoyl chloride (C6H5Cocl) +LiAlH[ (OC (CH3)3]/H+ 4)Benzaldehyde (C6H5CHo)+CH2OHCH2OH/H+

Q.Calculate the pH of the solution when 50 ml 0.5 M Barium hydroxide react with 80 ml o.5 M sulphuric acid (H2So4)?

Q.Calculate the pH for the cell at 25°C- pt (s)|H2 (g,1bar)|H+(pH=?)||AgCl (s),Ag (s)|Cl-(aq,1M).Given Ecell=0.245v

Q.Calculate the gibbs free energy change  (dG°) and equlibrium constant  (Keq) at 25°c for the reaction - Cu (s)+I 2 (s)-------> Cu 2+ (aq) +2I -(aq).Given E°Cu 2+/Cu=0.34 v and E°I 2/I- =0.54 v.

Q.Calculate the pH of 0.012 g of HNO3 in 500 ml solution?   

Q.Calculate Gibbs free energy change (dG°) and equlibrium constant  (Keq)for the reaction  Zn+Fe2+ ------>zn2+ +Fe.Given E° Fe2+/Fe=-0.44 and E° Zn2+/Zn=-0.76.

Q.Calculate the pH of a mixture of 2 g chlorous acid and 3 g sodium chlorite solution? Given pka of chlorous acid=1.94

Acetic auid react with NaoH CH3 C00 H + NaoH = CH3 COONA + H20

Reaction 1:Ethyl acetoacetate reactions with 1)NaOEt 2)CH3CH2Br 3)NaOH/H2O 4)H3O+

This is organic reaction with different reagent in sequence.  Step 1: Toluene (C6H6 CH3/PhCH3)reacts with NBS in presence of light (hv)