JEE Main Chemistry question

Not in JEE Main or NEET syllabus

The property of the alkaline earth metals that increases with their atomic number

(A)Solubility of their sulphates
(B)Ionisation energy
(C)Solubility of their hydroxidesCorrect
(D)Electronegativity

Answer: (C)

Solution

Down group 2, solubility of sulphates actually decreases (A is the opposite trend), ionisation energy decreases rather than increases (B is also opposite), and electronegativity decreases down the group as atomic size grows (D is

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Question ID VK-137693