Assertion :Ions in 5th analytical group of cations form carbonates that are insoluble in water. Reason: 5th group salts have highest solubility product among all other groups.

Both Assertion and Reason are correct and Reason is the correct explanation for Assertion

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Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion

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Assertion is correct but Reason is incorrect

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Both Assertion and Reason are incorrect

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Solution

The correct option is C Assertion is correct but Reason is incorrect
Ions in fifth analytical group of cation forms $c a r b o n a t e s$ that are insoluble in water. The cations in fifth group are $B a^{+ 2}, C a^{+ 2}$ and $S r^{+ 2}$ . The fifth group does not have the highest solubility product among others.

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Assertion :Ions in 5th analytical group of cations form carbonates that are insoluble in water. Reason: 5th group salts have highest solubility product among all other groups.

The correct option is C Assertion is correct but Reason is incorrectIons in fifth analytical group of cation forms carbonates that are insoluble in water. The cations in fifth group are Ba+2,Ca+2 and Sr+2. The fifth group does not have the highest solubility product among others.