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JEE Main Chemistry question

ChemistryEquilibriumJEE Main

The correct relationship between the pH of isomolar solutions of sodium oxide (pH₁), sodium sulphide (pH₂), sodium selenide (pH₃) and sodium telluride (pH₄) is:

Answer: (A)

Solution

Basicity of the chalcogenide ions decreases down the group (O²⁻ > S²⁻ >

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Question ID VK-136516