carina13
contestada

Which of the following is an example of a synthesis reaction?
A. H2 + Br2 → 2HBO
B. NaCl → Nat +CI
C. 2H20 + 2Na → 2NaOH + H2
D. Mg + H2SO4-→ MgSO4 + H2

Respuesta :

yuki72
A, because a synthesis reaction is A+B—> AB

B is a decomposition AB—> A+B (opposite of synthesis)
C is acids and base acid 1 + base 1 —> acid 2 + base 2
D is double displacement AB+CD —> AD+CB
ayfat23

Equation that expressed a synthesis reaction is A:H2 + Br2 → 2HBO

  • Synthesis reactions can be regarded as a reaction which takes place where there is interaction between two different atoms to form different molecule or compound. It usually take the form (A+B—> AB), which makes option A to be correct.

  • Option B, can be considered as decomposition  because a decompostion reaction usually take a form (AB—> A+B)

  • Option D can be considered double displacement because this reaction usually takes the form (AB+CD —> AD+CB)

Therefore, option A is correct.

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