1: 75 percent / potassium cyanide / H2O / 1 h / Ambient temperature 2: 49 percent / concentrated hydrochloric acid / 2.5 h / Heating View Scheme

1: 75 percent / potassium cyanide / H2O / 1 h / Ambient temperature 2: 49 percent / concentrated hydrochloric acid / 2.5 h / Heating 3: 92 percent / H2SO4 / Ambient temperature View Scheme

potassium cyanide in water 1 h; Ambient temperature;

<b>With</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '11343440', constants.ctx, '0')">sodium disulfite</a> <br /> <br /> &nbsp;