Which of the following statements is not true about the decomposition of a simple binary compound? a) the products are the constituent elements. b) the reactant is a single substance. c) the reactant could be an ionic or a molecular compound. d) the products are unpredictable.

The correct answer is option d, that is, the products are unpredictable.

Explanation:

A binary compound in chemistry is something comprising accurately of two elements. An element is a kind of substance, which cannot be differentiated further into simpler components via chemical procedures. In a binary compound, the reactant can be ionic or molecular compound.  

In a binary compound, there may be only one of each element, like for example NaCl (sodium chloride) that possesses one sodium and one chlorine, while some may even exhibit more than one of each of the element, like N2O (nitrous oxide), which contains one oxygen and two nitrogen. Thus, the given option that is the products are unpredictable is incorrect.  

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