Question

When hydrated MgCl2. 6H2O is strongly heated:

• A. MgO is formed.
• B. Mg(OH)2 is formed.
• C. Mg(OH)Cl is formed.
• D. Anhydrous MgCl2 is formed.

Answer 1

Answer: (A)

MgO is formed.

Answer 2

MgCl2 . 6H2O $\longrightarrow$MgO + 2HCl + 5H2O