<span>HCl + HNO</span><span>3</span><span> = Cl</span><span>2</span><span> + NO+ H2O</span>
<span>2Cl- -2e =Cl2 ---------------------2 и меняем местами -------3</span>
<span>4H+ + NO3 -+3e =NO+2H2O ---------3 а потом умножаем ------2</span>
<span>6HCl + 2HNO3 = 3Cl2 + 2NO+ 4H2O</span>
<span>6H+ + 6Cl- + 2H+ + 2NO3- = 3Cl2 + 2NO+ 4H2O</span>
<span><span>KMnO</span><span>4</span><span> + KI + NaOH = MnO</span><span>42- + </span><span>IO</span><span>3–</span></span>
<span><span>MnO4- +e =MnO42- --------------1 и меняем местами----------------6</span></span>
<span><span> I- -6e = I 5+------------------------6 а потом умножаем---------------1</span></span>
6KMnO4 + 6KI + 6NaOH = 6K2MnO4 + NaIO3 + 5NaI+3H2O
6K+ + 6MnO4 - + 6K+ 6I- + 6Na+ +6OH- = 12K + + 6MnO42- + Na+ +IO3- + 5Na+ + I-+3H2O