А) карбид кальция (над стрелкой H2O) → A (над стрелкой H2O, Hg, H) → B
Explanation:
Calcium carbide reacts with water to form calcium hydroxide and acetylene gas.The acetylene gas reacts with mercury (Hg) to form vinyl mercury.The vinyl mercury compound is further reacted to form compound B.
А) карбид кальция (над стрелкой H2O) → A (над стрелкой H2O, Hg, H) → B
Explanation:
Calcium carbide reacts with water to form calcium hydroxide and acetylene gas.The acetylene gas reacts with mercury (Hg) to form vinyl mercury.The vinyl mercury compound is further reacted to form compound B.