Question
The chemical formula of calcium hydroxide is _________.
Answer: Option B
:
B
Calcium hydroxide consist of calcium ion and hydroxide ion i.e. Ca2+ and (OH)−, which have a charge of +2 and -1 respectively.
SymbolCaOHCharge+2-1
On cross-multiplication and balancing the charge, we get the formula as Ca(OH)2.
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:
B
Calcium hydroxide consist of calcium ion and hydroxide ion i.e. Ca2+ and (OH)−, which have a charge of +2 and -1 respectively.
SymbolCaOHCharge+2-1
On cross-multiplication and balancing the charge, we get the formula as Ca(OH)2.
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