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A salt 'X' has a positive radical in whi...

A salt 'X' has a positive radical in which the metal has electronic configuration 2, 8, 8, 2. The negative radical is formed from acid used in soft drinks. One molecule of the salt 'x' reacts with one molecule of base. Predict the formula of the salt 'x'.

A

`Mg(HCO_(3))_(2)`

B

`Ca(HCO_(3))_(2)`

C

`CaCO_(3)`

D

`MgCO_(3)`

Text Solution

Verified by Experts

The correct Answer is:
B
The acid used in soft drinks is `H_(2)CO_(3)`. The metallic radical in salt should be `Ca^(+2)`. The formula of the acidic salt should be `Ca(HCO_(3))_(2)`.
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