cindygigi12 4/30/2024 6:43:15 PM

Câu 68: Cho sơ đồ phản ứng sau:

(a) NaCl + H2https://lh7-us.googleusercontent.com/o8UEtAOyzQdhtKWna2BRZKijGNJxUdCjLF9uI_tDynO-RuTz4KXl00f4X4sp7UlD5rmj7BV8eNuBue5WbcUoQIuQmRzbx_HepM7Kq1MWf4lZLvnhsnBf9HZoCyf6E8UDwAwFYmZEIEOH8dc=s800 X + Cl2 + H2O.                (b) X + Y https://lh7-us.googleusercontent.com/aPtSSVerNuX0FqrFYohKKzJX1N1ENCmfn9d69JpRbtuMAStxjshF0SJ497dbzshf37mWQIanGADA--CJ3k9pGxi5fbMeXElo26hlVAwvW9wR1A1w8ane9dyU2A-ODuJHaSkfvyKgGgYkgXQ=s800 Z + BaCO3 + H2O.

(c) Z + E https://lh7-us.googleusercontent.com/aPtSSVerNuX0FqrFYohKKzJX1N1ENCmfn9d69JpRbtuMAStxjshF0SJ497dbzshf37mWQIanGADA--CJ3k9pGxi5fbMeXElo26hlVAwvW9wR1A1w8ane9dyU2A-ODuJHaSkfvyKgGgYkgXQ=s800 BaCO3 + NaCl.                        (d) X + R https://lh7-us.googleusercontent.com/aPtSSVerNuX0FqrFYohKKzJX1N1ENCmfn9d69JpRbtuMAStxjshF0SJ497dbzshf37mWQIanGADA--CJ3k9pGxi5fbMeXElo26hlVAwvW9wR1A1w8ane9dyU2A-ODuJHaSkfvyKgGgYkgXQ=s800 Z + H2O.

Phân tử khối của chất R là

        A. 259.                B. 84.                        C. 208.                        D. 106.

32. Đề thi thử bám sát cấu trúc đề minh họa TN THPT 2024 - Môn Hóa Học - Đề 32 - File word có lời giải