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Q.

State whether the following statement is true or false?

Formula of calcium bicarbonate is CaHCO3.

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a

True

b

False

answer is B.

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Detailed Solution

The given statement is false.
Concept- For ionic compounds the compound is represented by its constituent symbols along with their valency. For determining and writing the formula we use the criss cross method.
The calcium ion has a (+2) charge, compared to the (-1) charge on the bicarbonate anion. As a result, the calcium atom requires two electrons to counteract its positive charge and create a balanced compound. A dipositive anion or two ions of a monopositive anion can counteract this charge. Since the bicarbonate anion is a monopositive anion, the compound would need two anions to be balanced.
The correct formula of calcium bicarbonate is

Ca {{(HCO}_{3})}_{2}

.
Hence, the given statement is false.

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State whether the following statement is true or false?Formula of calcium bicarbonate is CaHCO3.