MCQ
The $IUPAC$ name of the coordination compound ${K_3}[Fe{(CN)_6}]$ is
- APotassium hexacyanoferrate $ (II)$
- ✓Potassium hexacyanoferrate $ (III)$
- CPotassium hexacyanoiron $ (II)$
- DTripotassium hexacyanoiron $(II)$
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$Q (47 \%)$ and $R (2 \%)$. The major product(s) of the following reaction sequence is (are)
$\begin{array}{l}\begin{array}{ll}\text { 1) } Ac _2 O \text {, pyridine } \quad \text { 1) } Sn / HCl \end{array} \\ R \xrightarrow{2) Br _2, CH _3 CO _2 H } S \quad \xrightarrow{2) Br _2 / H _2 O \text { (excess) }} \text { major product(s) } \\ \text { 3) } H _3 O ^{+} \quad \text {3) } NaNO _2, HCl / 273-278 K \\ \text { 4) } NaNO _2, HCl / 273-278 K \quad \text { 4) } H _3 PO _2 \\ \text { 5) } EtOH , \Delta \\\end{array}$
$C{H_3} - CH = CH - COOH\xrightarrow{{B{r_2}}}$