One among the following carbonate is soluble in water
A. `SrCO_3`
B. `BaCO_3`
C. `Al_2(CO_3)_3`
D. `Rb_2CO_3`

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1 Answers

Correct Answer - D
`Rb_2CO_3` is soluble in water and the solubility of Alkali metal carbonates increases down the group.

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