What is the chemical formula for barium hydroxide?
Show answer & explanation
Correct answer: B
Explanation
The correct answer is option 2 i.e. Ba(OH)2.
Barium hydroxide is an inorganic compound with the chemical formula Ba(OH)₂.
Composition:
Barium (Ba): A chemical element belonging to the alkaline earth metals group, with an atomic number of 56.
Hydroxide (OH⁻): A polyatomic ion made up of one oxygen atom and one hydrogen atom, carrying a charge of -1.
It is typically found as a white crystalline solid. Barium hydroxide is soluble in water, and its aqueous solution is strongly alkaline (basic).