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- D
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Reaction of $R-C -NH_2$ with a mixture of $Br_2$ and $KOH$ gives
$||$
$O$
$R -NH_2$ asthe main product. The intermediates involved in this reaction are :-
→$||$
$O$
$R -NH_2$ asthe main product. The intermediates involved in this reaction are :-
$(A)$ $\begin{matrix}
O\,\,\,\,\,\,\,\,\,\, \\
||\,\,\,\,\,\,\,\,\,\,\,\, \\
R-C-NHBr \\
\end{matrix}$ $(B)$ $R-NH-Br$
$(C)$ $R-N=C=O$ $(D)$ $\begin{matrix}
\,\,\,\,O\,\,\,\,\,\,\,\,\,\, \\
\,\,\,\,\,\,||\,\,\,\,\,\,\,\,\,\,\,\, \\
R-C-NB{{r}_{2}} \\
\end{matrix}$
Which of the following statements is not true for acetaldehyde?
Good reducing nature of $H_3PO_2$ is attributed to the presence of
→Nitrogen dioxide and sulphur dioxide have some properties in common. Which property is shown by one of these compounds, but not by the other ?
Which of the following complex is homoleptic?
The pKa values of four carboxylic acids are given below. Identify the weakest carboxylic acid.
'Oil of mirbane' is
${\left[ Fe ( CN )_{6}\right]^{4-}}$; ${\left[ Fe ( CN )_{6}\right]^{3-}}$; ${\left[ Ti ( CN )_{6}\right]^{3-}}$; ${\left[ Ni ( CN )_{4}\right]^{2-}}$; ${\left[ Co ( CN )_{6}\right]^{3-}}$
→Among the given complexes, number of paramagnetic complexes is .... .
At $25\,^oC$ specific conductivity of a normal solution of $KCl$ is $0.002765\,mho$. The resistance of cell is $ 400\,ohms$. The cell constant is
→The reaction is called $\begin{array}{*{20}{c}}
{2C{H_3} - C - O{C_2}{H_5}} \\
{||\,\,\,} \\
{O\,\,\,}
\end{array}$ ${\xrightarrow{{{C_2}{H_5}ONa}}}$ $\begin{array}{*{20}{c}}
{C{H_3} - C - C{H_2} - C - O{C_2}{H_5}} \\
{||\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,||\,\,\,\,\,\,\,} \\
{O\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,O\,\,\,\,\,}
\end{array}$ $ + \,{C_2}{H_5}OH$
→{2C{H_3} - C - O{C_2}{H_5}} \\
{||\,\,\,} \\
{O\,\,\,}
\end{array}$ ${\xrightarrow{{{C_2}{H_5}ONa}}}$ $\begin{array}{*{20}{c}}
{C{H_3} - C - C{H_2} - C - O{C_2}{H_5}} \\
{||\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,||\,\,\,\,\,\,\,} \\
{O\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,O\,\,\,\,\,}
\end{array}$ $ + \,{C_2}{H_5}OH$