279003 Aniline in a set of reaction yielded a product $D$.

\(\xrightarrow[H C l]{\mathrm{NaNO}_2} \mathbf{A} \xrightarrow{\mathrm{CuCN}} \mathbf{B} \xrightarrow[\mathrm{Ni}]{\mathrm{H}_2} \mathbf{C}\)
\(\xrightarrow{\mathrm{HNO}_2} \mathrm{D}\)
The structure of the product $D$ would be

279081 Consider the following reactions
\(\mathrm{C}_2 \mathbf{H}_2 \xrightarrow[500^{\circ} \mathrm{C}]{\text { Redhe }} \mathrm{A}\)
A \(\xrightarrow[70^{\circ} \mathrm{C} . \mathrm{H}_2 \mathrm{SO}_4]{\text { Conc. } \mathrm{HNO}_3} \mathrm{~B}\)
\(\mathrm{B} \xrightarrow{\mathrm{LiAlH}_4} \mathrm{C}_6 \mathrm{H}_5-\mathrm{N}=\mathrm{N}-\mathrm{C}_6 \mathrm{H}_5\)
$A$ and $B$ are

278988 What is $\mathbf{Z}$ in the following reaction sequence?
(i) $\mathrm{NaNO}_{2}+\mathrm{HCl} / 273 \mathrm{~K}$
(i) $\mathrm{H}_{3} \mathrm{PO}_{2}+\mathrm{H}_{2} \mathrm{O}$
(iii) $\mathrm{CO}, \mathrm{HCl}$ anhy. $\mathrm{AlCl}_{3} / \mathrm{CuCl}$
$\mathbf{C}_{6} \mathbf{H}_{5} \mathbf{N H}_{2}$ $\rightarrow \mathbf{Z}$.

278979 What will be the final product of following reaction sequence?

\(\xrightarrow[\mathrm{HCl}]{\mathrm{NaNO}_2} \xrightarrow{\mathrm{Cu}_2(\mathrm{CN})_2} \xrightarrow{\mathrm{H}_2 \mathrm{O} / \mathrm{H}^{+}}\)

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279003 Aniline in a set of reaction yielded a product $D$.

\(\xrightarrow[H C l]{\mathrm{NaNO}_2} \mathbf{A} \xrightarrow{\mathrm{CuCN}} \mathbf{B} \xrightarrow[\mathrm{Ni}]{\mathrm{H}_2} \mathbf{C}\)
\(\xrightarrow{\mathrm{HNO}_2} \mathrm{D}\)
The structure of the product $D$ would be

279081 Consider the following reactions
\(\mathrm{C}_2 \mathbf{H}_2 \xrightarrow[500^{\circ} \mathrm{C}]{\text { Redhe }} \mathrm{A}\)
A \(\xrightarrow[70^{\circ} \mathrm{C} . \mathrm{H}_2 \mathrm{SO}_4]{\text { Conc. } \mathrm{HNO}_3} \mathrm{~B}\)
\(\mathrm{B} \xrightarrow{\mathrm{LiAlH}_4} \mathrm{C}_6 \mathrm{H}_5-\mathrm{N}=\mathrm{N}-\mathrm{C}_6 \mathrm{H}_5\)
$A$ and $B$ are

278988 What is $\mathbf{Z}$ in the following reaction sequence?
(i) $\mathrm{NaNO}_{2}+\mathrm{HCl} / 273 \mathrm{~K}$
(i) $\mathrm{H}_{3} \mathrm{PO}_{2}+\mathrm{H}_{2} \mathrm{O}$
(iii) $\mathrm{CO}, \mathrm{HCl}$ anhy. $\mathrm{AlCl}_{3} / \mathrm{CuCl}$
$\mathbf{C}_{6} \mathbf{H}_{5} \mathbf{N H}_{2}$ $\rightarrow \mathbf{Z}$.

278979 What will be the final product of following reaction sequence?

\(\xrightarrow[\mathrm{HCl}]{\mathrm{NaNO}_2} \xrightarrow{\mathrm{Cu}_2(\mathrm{CN})_2} \xrightarrow{\mathrm{H}_2 \mathrm{O} / \mathrm{H}^{+}}\)

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279003 Aniline in a set of reaction yielded a product $D$.

\(\xrightarrow[H C l]{\mathrm{NaNO}_2} \mathbf{A} \xrightarrow{\mathrm{CuCN}} \mathbf{B} \xrightarrow[\mathrm{Ni}]{\mathrm{H}_2} \mathbf{C}\)
\(\xrightarrow{\mathrm{HNO}_2} \mathrm{D}\)
The structure of the product $D$ would be

279081 Consider the following reactions
\(\mathrm{C}_2 \mathbf{H}_2 \xrightarrow[500^{\circ} \mathrm{C}]{\text { Redhe }} \mathrm{A}\)
A \(\xrightarrow[70^{\circ} \mathrm{C} . \mathrm{H}_2 \mathrm{SO}_4]{\text { Conc. } \mathrm{HNO}_3} \mathrm{~B}\)
\(\mathrm{B} \xrightarrow{\mathrm{LiAlH}_4} \mathrm{C}_6 \mathrm{H}_5-\mathrm{N}=\mathrm{N}-\mathrm{C}_6 \mathrm{H}_5\)
$A$ and $B$ are

278988 What is $\mathbf{Z}$ in the following reaction sequence?
(i) $\mathrm{NaNO}_{2}+\mathrm{HCl} / 273 \mathrm{~K}$
(i) $\mathrm{H}_{3} \mathrm{PO}_{2}+\mathrm{H}_{2} \mathrm{O}$
(iii) $\mathrm{CO}, \mathrm{HCl}$ anhy. $\mathrm{AlCl}_{3} / \mathrm{CuCl}$
$\mathbf{C}_{6} \mathbf{H}_{5} \mathbf{N H}_{2}$ $\rightarrow \mathbf{Z}$.

278979 What will be the final product of following reaction sequence?

\(\xrightarrow[\mathrm{HCl}]{\mathrm{NaNO}_2} \xrightarrow{\mathrm{Cu}_2(\mathrm{CN})_2} \xrightarrow{\mathrm{H}_2 \mathrm{O} / \mathrm{H}^{+}}\)

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279003 Aniline in a set of reaction yielded a product $D$.

\(\xrightarrow[H C l]{\mathrm{NaNO}_2} \mathbf{A} \xrightarrow{\mathrm{CuCN}} \mathbf{B} \xrightarrow[\mathrm{Ni}]{\mathrm{H}_2} \mathbf{C}\)
\(\xrightarrow{\mathrm{HNO}_2} \mathrm{D}\)
The structure of the product $D$ would be

279081 Consider the following reactions
\(\mathrm{C}_2 \mathbf{H}_2 \xrightarrow[500^{\circ} \mathrm{C}]{\text { Redhe }} \mathrm{A}\)
A \(\xrightarrow[70^{\circ} \mathrm{C} . \mathrm{H}_2 \mathrm{SO}_4]{\text { Conc. } \mathrm{HNO}_3} \mathrm{~B}\)
\(\mathrm{B} \xrightarrow{\mathrm{LiAlH}_4} \mathrm{C}_6 \mathrm{H}_5-\mathrm{N}=\mathrm{N}-\mathrm{C}_6 \mathrm{H}_5\)
$A$ and $B$ are

278988 What is $\mathbf{Z}$ in the following reaction sequence?
(i) $\mathrm{NaNO}_{2}+\mathrm{HCl} / 273 \mathrm{~K}$
(i) $\mathrm{H}_{3} \mathrm{PO}_{2}+\mathrm{H}_{2} \mathrm{O}$
(iii) $\mathrm{CO}, \mathrm{HCl}$ anhy. $\mathrm{AlCl}_{3} / \mathrm{CuCl}$
$\mathbf{C}_{6} \mathbf{H}_{5} \mathbf{N H}_{2}$ $\rightarrow \mathbf{Z}$.

278979 What will be the final product of following reaction sequence?

\(\xrightarrow[\mathrm{HCl}]{\mathrm{NaNO}_2} \xrightarrow{\mathrm{Cu}_2(\mathrm{CN})_2} \xrightarrow{\mathrm{H}_2 \mathrm{O} / \mathrm{H}^{+}}\)

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