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← ScienceWhich outcome occurs when a magnesium chloride (MgCl₂) solution undergoes high heat stress?
A)Chloride ion redox reaction occurs
B)Magnesium precipitates as MgO✓
C)Covalent bond formation with water
D)Increased ionic character of bonds
💡 Explanation
Magnesium oxide precipitates because Thermal Decomposition increases with temperature, causing MgCl₂ to decompose to MgO and HCl gas. Oxide formation occurs rather than stronger bonds since the released chloride transforms to gaseous HCl.
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