MCQ
What is $ ‘A’$ in the following reaction $2F{e^{3 + }}_{(aq)} + S{n^{2 + }}_{(aq)} \to 2F{e^{2 + }}_{(aq)} + A$
- A$S{n^{3 + }}_{(aq)}$
- ✓$S{n^{4 + }}_{(aq)}$
- C$S{n^{2 + }}_{(aq)}$
- D$Sn$

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$\mathop C\limits_6 {H_3} - \mathop C\limits_5 H = \mathop C\limits_4 H - \mathop C\limits_3 {H_2} - \mathop C\limits_2 \equiv \mathop C\limits_1 H$
The state of hybridization of carbons $1, 3$ and $5$ are in the following sequence