Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R).
Assertion (A) : Barium carbonate is insoluble in water and is highly stable.
Reason (R) : The thermal stability of the carbonates increases with increasing cationic size.
Select the correct option:
A
Both (A) and (R) are true but (R) is the true explanation of (A)
B
A) is true but (R) is false
C
Both (A) and (R) are true and (R) is not the true explanation of (A)
D
(A) is false but (R) is true.
✓ Correct! Well done.
✗ Incorrect. Try again or view the solution.
Solution
In IIA group on moving down the group size of cation increases and show thermal stability of carbonate increases.
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