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    Chemistry
    Grade-10
    Easy

    Question

    Which type of reaction is: 2K + MgBr2 → 2KBr + Mg

    1. Synthesis
    2. Decomposition
    3. Single Displacement
    4. Double Displacement

    hintHint:

    Single displacement reaction can be termed as when only one displacement takes place.

    The correct answer is: Single Displacement

      The word displace means to push out. A more reactive element can displace a less reactive element out of its compound during a chemical reaction.
      Single displacement react can be termed as when only one displacement takes place.
      2K + MgBr2 → 2KBr + Mg
      Here, bromide from magnesium is replaced to potassium. It is a single displacement reaction.

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