MCQ
What will be the name of the given reaction
- ✓Gatterman Koch reaction
- BEtard reaction
- CGattermann reaction
- DRosenmund reaction
✓
Answer
Correct option: A.
Gatterman Koch reaction
a
This reaction is known as Gattermann Koch reaction.
This reaction is known as Gattermann Koch reaction.
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Consider th following four reactions:
→$(I)$ $\begin{array}{*{20}{c}}
{{C_6}{H_5} - CH - Cl} \\
{\,\,|} \\
{\,\,\,\,\,\,\,\,\,C{H_3}}
\end{array}\xrightarrow[{5\% \,\,water}]{{95\% \,\,\,acetone}}\begin{array}{*{20}{c}}
{{C_6}{H_5} - CH - OH} \\
| \\
{\,\,\,\,\,\,C{H_3}}
\end{array}$
$(II)$ $\begin{array}{*{20}{c}}
{{C_6}{H_5} - CH - Cl} \\
{\,\,|} \\
{\,\,\,\,\,\,C{H_3}}
\end{array}\xrightarrow[{10\% \,\,water}]{{90\% \,\,\,acetone}}\begin{array}{*{20}{c}}
{{C_6}{H_5} - CH - OH} \\
| \\
{\,\,\,\,\,\,C{H_3}}
\end{array}$
$(III)$ $\begin{array}{*{20}{c}}
{{C_6}{H_5} - CH - Cl} \\
{\,\,|} \\
{\,\,\,\,\,\,C{H_3}}
\end{array}\xrightarrow[{20\% \,\,water}]{{80\% \,\,\,acetone}}\begin{array}{*{20}{c}}
{{C_6}{H_5} - CH - OH} \\
| \\
{\,\,\,\,\,\,C{H_3}}
\end{array}$
$(IV)$ $\begin{array}{*{20}{c}}
{{C_6}{H_5} - CH - Cl} \\
{\,\,|} \\
{\,\,\,\,\,\,C{H_3}}
\end{array}\xrightarrow{{100\% \,water}}\begin{array}{*{20}{c}}
{{C_6}{H_5} - CH - OH} \\
| \\
{\,\,\,\,\,\,C{H_3}}
\end{array}$
Arrange these reactions in decreasing order of greater proportion of inverted product and select correct answer from the codes given below :
The $IUPAC$ name of the following compound is
→$\begin{array}{*{20}{c}}
{^{C{H_3}}} \\
{_H}
\end{array}\begin{array}{*{20}{c}}
{{\text{ }}\backslash {\text{ }}} \\
/
\end{array}\mathop C\limits^{} {\mkern 1mu} = \mathop C\limits^{} {\mkern 1mu} \begin{array}{*{20}{c}}
/ \\
{{\text{ }}\backslash {\text{ }}}
\end{array}_{\mathop C\limits^{} {\kern 1pt} \equiv \mathop C\limits^{} {\kern 1pt} - \mathop C\limits^{} {\kern 1pt} {H_2}\mathop C\limits^{} {\kern 1pt} {H_3}}^H{\mkern 1mu} $
Which of the following reacts with phenol to give salicylaldehyde after hydrolysis
Which of the following arrangements represents the increasing order ( smallest to largest) of ionic radii of the given species $O^{2-}, S^{2-}, N^{3-}, P^{3-}$ ?
→The ionic sizes decreases in the order :-
The major product of the following reaction is
In which case alkylamine is not formed ?
In $Xe{O_3}$ and $Xe{F_6}$ the oxidation state of $Xe$ is
→Match List-I with List-II
List-I
Molecule
(A) $BrF _5$
(B) $H _2 O$
(C) $ClF _3$
(D) $SF _4$
List-II
Shape
(I) T-shape
(II) See saw
(III) Bent
(IV) Square pyramidal
→List-I
Molecule
(A) $BrF _5$
(B) $H _2 O$
(C) $ClF _3$
(D) $SF _4$
List-II
Shape
(I) T-shape
(II) See saw
(III) Bent
(IV) Square pyramidal
The $71^{st}$ electron of an element $X$ with an atomic number of $71$ enters into the orbital:
→