MCQ
Wolf Kishner's reagent is :
  • $NH_2 -NH_2 + \mathop {OH}\limits^ \ominus  $
  • B
    $Zn + HCl$
  • C
    $NH_2 -NH_2 + {H^ \oplus }$
  • D
    Red $P + HI$

Answer

Correct option: A.
$NH_2 -NH_2 + \mathop {OH}\limits^ \ominus  $
a

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Similar questions

Among the given compounds, the most susceptible to nucleophilic attack at the carbonyl group is
Zinc chromate and lead chromate are used as:
A complex of platinum, ammonia and chloride produces four ions per molecule in the solution. The structure consistent with the observation is :
Butanal with dilute $NaOH$ gives
Given below are two statements: one is labelled as Assertion $(A)$ and other is labelled as Reason $(R).$

Assertion $(A) :$ Sucrose is a disaccharide and a non-reducing sugar.

Reason $(R) :$ Sucrose involves glycosidic linkage between $C_{1}$ of $\beta$-glucose and $C_{2}$ of $\alpha$-fructose.

Choose the most appropriate answer from the options given below :

The product formed in the reaction is 
sertion : Chloral reacts with phenyl chloride to form $DDT$.
Reason : It is an electrophilic substitution reaction.
What is final product $(IV)$ in the sequence of $\begin{matrix}
   C{{H}_{3}}-CH-OH\xrightarrow{PB{{r}_{3}}}I\xrightarrow{Mg/ether}  \\
   \,\,\,\,|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,  \\
   C{{H}_{3}}\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,  \\
\end{matrix}$ $II\,\xrightarrow{{\begin{array}{*{20}{c}}
  {C{H_2} - C{H_2}} \\ 
  \begin{subarray}{l} 
  \backslash / \\ 
  O 
\end{subarray}  
\end{array}}}III\,\xrightarrow{{{H_2}O}}IV$
What will occur if a block of copper metal is dropped into a beaker containing a solution of $1\,M\,ZnSO_4$ ?
For the identification of $\beta$-naphthol using dye test, it is necesary to use :