Find the equations of the following reactions (condensed structural formulas, no charges, no mechanism) :
1) lactic acid and calcium hydroxide
2) Hydroxybutanoic acid and hydrogen bromide
3) 2-methylpropan-2-ol and sodium
4) propanedioic and butan-1-ol acid (in the presence of excess sulfuric acid little)
5) acetone and chlorine (to light)
6) isopropanol and potassium permanganate and sulfuric acid
7) aniline and chlorine (in the presence of aluminum chloride)
8) glycol and oxalic acid (in the presence of little sulfuric acid)
9) 3-methyl-1-nitrobenzene and mixed acid
10) 1,3-diene and chlorine (excess)
11) 1,2-dichloroethane and sodium hydroxide (in very concentrated alcoholic solution)
12) ethandial and ammoniacal silver nitrate in excess (hot)
13) butanedione and excess oxygen (in the presence of a flame)
14) butan-1-ol and oxygen (in the presence of a copper filament)
15) and benzoic acid methyl chloride (in the presence of aluminum chloride)
16) cyclohexa-1,3-diol and potassium dichromate (excess) and sulfuric acid
17) 1,3 dinitropropanetriol (on)
18) 2-methylpropene (and initiator)
19) cyclohexa-1,3-diene and hydrogen (excess)
20) and 2-chloroethanol chloroethanoïque acid (in the presence of little sulfuric acid)
