MCQ
What is correct acidic strength order of following compounds ?
- A

- B

- ✓

- D






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Diazonium salts $\,+\,Cu_2Cl_2 \, + \, HCl \,\, \to$
$PCl _{3}+ H _{2} O \longrightarrow A + HCl$
$A + H _{2} O \longrightarrow B + HCl$
number of ionisable protons present in the product $B\,.....$