MCQ
Which of the following compound does not react with cold and dil. $HNO_3$ ?
- A$PbO$
- ✓$PbO_2$
- C$FeSO_4$
- D$PbCl_2$
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Isomer $(P) \Rightarrow$ Can be prepared by Gabriel phthalimide synthesis
Isomer $(Q) \Rightarrow$ Reacts with Hinsberg's reagent to give solid insoluble in $NaOH$
Isomer (R) $\Rightarrow$ Reacts with $HONO$ followed by $\beta$-naphthol in $NaOH$ to give red dye.
Isomers $( P ),( Q )$ and $( R )$ respectively are