AIIMS2008Chemistry-Acids and Bases
AIIMS 2008 Chemistry pH and pOH MCQ Question
Type: MCQ-conceptual-Medium-Class 11
What is the correct relationship between the pHs of isomolar solutions of sodium oxide (pH₁), sodium sulphide (pH₂), sodium selenide (pH₃) and sodium telluride (pH₄)?
A
pH₁ > pH₂ = pH₃ = pH₄
B
pH₁ < pH₂ < pH₃ < pH₄
C
pH₁ < pH₂ > pH₃ < pH₄
D
pH₁ > pH₂ > pH₃ > pH₄
Correct Answer
Option D
Detailed Explanation
I will have the highest pH. Among H2S, H2Se, H2Te acidity goes on increasing.
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