Based on the understanding of the mechanism of a single displacement reaction, which of the following chemical equations represent a single

Question

Based on the understanding of the mechanism of a single displacement reaction, which of the following chemical equations represent a single displacement reaction? Select all that apply.
A. NaCl + AgNO3 → NaNO3 + AgCl
B. Cu + AgNO3 → CuNO3 + Ag
C. 2NaBr + Cl2 → 2NaCl + Br2
D. F2 + 2NaBr → 2NaF + Br2
E. KOH + HCl → KCl + H2O

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King 4 years 2021-07-29T13:56:09+00:00 1 Answers 67 views 0

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  1. Nho
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    2021-07-29T13:57:58+00:00
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    Answer:

    B. Cu + AgNO3 → CuNO3 + Ag

    C. 2NaBr + Cl2 → 2NaCl + Br2

    D. F2 + 2NaBr → 2NaF + Br2

    Explanation:

    There are several types of reactions in chemistry, of which one of them is the SINGLE DISPLACEMENT REACTION. Single displacement reaction is that reaction in which only one element in a compound is displaced/replaced by another element.

    The following reactions given in this question are examples of single displacement reactions;

    – Cu + AgNO3 → CuNO3 + Ag

    – 2NaBr + Cl2 → 2NaCl + Br2

    – F2 + 2NaBr → 2NaF + Br2

    * In the first reaction, silver (Ag) is displaced by copper (Cu)

    * In the second reaction, bromine (Br) is displaced by chlorine (Cl)

    * In the third reaction, bromine (Br) is displaced by fluorine (F)

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Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )