KaMnbOc; a,b,c-коэффициенты
a:b:c=ω(K)/Ar(K):ω(Mn)/Ar(Mn):ω(O)/Ar(O)=39,7/39:27,9/55:32,4/16=1,02:0,51:2,03=2:1:4
K₂MnO₄
CH≡C-CH2-CH2-CH3 +I2 => CH(I)=C(I)-CH2-CH2-CH3 1,2-дийодпентен-1
CH≡C-CH2-CH2-CH3 +2 I2 => CH(I)2-C(I)2-CH2-CH2-CH3 1,1,2,2-тетрайодпентан
Заместители I висят от углеродов
<span>(NH</span>4<span>)</span>2<span>SO</span>4<span> + 2KOH -> K</span>2<span>SO</span>4<span> + 2NH</span>3<span> + 2H</span>2<span>O</span>
<span>2NH</span>4+<span> + SO</span>42-<span> + 2K</span>+<span> + 2OH</span>-<span> -> 2K</span>+<span> + SO</span>42-<span> + 2NH</span>3<span> + 2H</span>2<span>O</span>
<span>2NH</span>4+<span> + 2OH</span>-<span> -> 2NH</span>3<span> + 2H</span>2<span>O</span>
<span>NH</span>4+<span> + OH</span>-<span> -> NH</span>3<span> + H</span>2<span>O</span>