MCQ
Primary amines react with nitrous acid to yield
- AInsoluble nitrite salts
- BYellow oily layer
- ✓Nitrogen gas
- DAzo dye
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[Given $pK _{ a }$ of $CH _{3} COOH =4.57$ ]
${P_4} + 10C{l_2}\xrightarrow{\Delta }PC{l_5}$
