Which of the following statements about alkaline earth metals are correct ? (i) Hydration energy of Sr2+ is greater than that of Be2+(ii) CaCO3 decomposes at a higher temperature than BaCO3(iii) Ba (OH)2 is stronger base than Mg (OH)2(iv) SrSO4 is less soluble in water than CaSO4Select the correct answer using the code given below

Hydration energy is directly proportional (∝) to ϕ (polarising power) of cation.

Which of the following statements about alkaline earth metals are correct ? (i) Hydration energy of Sr2+ is greater than that of Be2+(ii) CaCO3 decomposes at a higher temperature than BaCO3(iii) Ba (OH)2 is stronger base than Mg (OH)2(iv) SrSO4 is less soluble in water than CaSO4Select the correct answer using the code given below

Hydration energy is directly proportional (∝) to ϕ (polarising power) of cation.

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Which of the following statements about alkaline earth metals are correct ?
(i) Hydration energy of Sr²⁺ is greater than that of Be²⁺
(ii) CaCO₃ decomposes at a higher temperature than BaCO₃
(iii) Ba (OH)₂is stronger base than Mg (OH)₂
(iv) SrSO₄ is less soluble in water than CaSO₄
Select the correct answer using the code given below

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(i) and (iii)

(iii) and (iv)

(ii) and (iii)

(i) and (iv)

answer is A.

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Detailed Solution

Hydration energy is directly proportional ( $\propto$ ) to $ϕ$ (polarising power) of cation.

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