MCQ
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This reduction reaction is known as:
  • Rosenmund reduction
  • B
    Wolff-Kishner reduction
  • C
    Stephen reduction
  • D
    Etard reduction

Answer

Correct option: A.
Rosenmund reduction
(A)
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It is known as rosenmund reduction that is the partial reduction of acid chloride to aldehyde 

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In given some reaction correct product match will be

$(a)\,N{H_4}N{O_2}\xrightarrow{\Delta }{N_2} + {H_2}O$

$(b)\,N{H_4}N{O_3}\xrightarrow{\Delta }{N_2}O + {H_2}O$

$(c)\,N{a_2}C{O_3}\xrightarrow{\Delta }N{a_2}O + C{O_2}$

$(d)\,N{H_4}Cl\xrightarrow{\Delta }N{H_3} + HCl$

The compounds that will give an isomer of  $2; 2-$ dimethyl propane on catalytic hydrogenation are

$(1)$ $\begin{array}{*{20}{c}}
  {C{H_3}CH = C - C{H_3}} \\ 
  {\,\,\,\,\,\,\,\,\,\,|} \\ 
  {\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,C{H_3}} 
\end{array}$

$(2)$ $C{H_3}CH = CHC{H_3}$

$(3)$ $\mathop {C{H_3}C}\limits^{\begin{subarray}{l} 
  \,\,\,\,\,\,\,\,{\begin{array}{*{20}{c}}
  {}&H 
\end{array}} \\ 
  \,\,\,\,\,\,\,\,\,\,\,\,\,\,| 
\end{subarray} }  = CHC{H_2}C{H_3}$

$(4)$ $\begin{array}{*{20}{c}}
  {C{H_3}C = C - C{H_3}} \\ 
  {\,\,\,\,\,\,\,|\,\,\,\,\,\,\,\,\,\,\,\,|\,\,\,\,\,\,\,\,\,\,\,\,\,} \\ 
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\end{array}$

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$2A(g) \rightleftharpoons B(g)$ is

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