MCQ
product $(A)$ is


- A

- ✓

- C

- D







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$E _{ FeO _4^{2-} / Fe ^{2+}}^\theta$ is $x \times 10^{-3} V$. The value of $x$ is $.........$.
$(i)$ $A$ and $D$ both form blue-violet colour with ninhydrin.
$(ii)$ Lassaigne extract of $\mathrm{C}$ give positive $\mathrm{AgNO}_{3}$ test and negative $\mathrm{Fe}_{4}\left[\mathrm{Fe}(\mathrm{CN})_{6}\right]_{3}$ test.
$(iii)$ Lassaigne extract of $\mathrm{B}$ and D gives positive sodium nitroprusside test
Based on these observations which option is correct ?