MCQ
In which of the following compound transition metal has zero oxidation state
- A$Cr{O_5}$
- B$N{H_2}.N{H_2}$
- C$NOCl{O_4}$
- ✓$[Fe{(CO)_5}]$
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$\begin{array}{*{20}{c}}
{C{H_3}\,\,\,\,\,\,\,} \\
{|\,\,\,\,\,\,\,\,\,\,\,\,\,} \\
{{H_3}C - C - CH = C{H_2}} \\
{|\,\,\,\,\,\,\,\,\,\,\,\,\,} \\
{C{H_3}\,\,\,\,\,\,\,\,\,}
\end{array}$ $\xrightarrow{{{H_2}O/{H^ \oplus }}}{\mkern 1mu} \mathop A\limits_{Major\,product} \, + \,\mathop B\limits_{Minor\,product} $
major product:
| LIST-I (Reagent) | LIST-II (Functional Group detected) | ||
| A. | Sodium bicarbonate solution | I. | double bond/unsaturation |
| B. | Neutral ferric chloride | II. | carboxylic acid |
| C. | ceric ammonium nitrate | III. | phenolic – OH |
| D. | alkaline $\mathrm{KMnO}_{4}$ | IV. | alcoholic - OH |