MCQ
Give the best conditions for this transformation
  • $CH_3OH, H^+ (cat. )$, heat
  • B
    $H_2O, H^+ (cat.),$ heat
  • C
    $Mg,$ ether,$CH_3OH$
  • D
    $SOCl_2, CH_3 OH$

Answer

Correct option: A.
$CH_3OH, H^+ (cat. )$, heat
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

The standard reduction potentials at $298 \mathrm{~K}$ for the following half cells are given below :

$\mathrm{Cr}_2 \mathrm{O}_7{ }^{2-}+14 \mathrm{H}^{+}+6 \mathrm{e}^{-} \rightarrow 2 \mathrm{Cr}^{3+}+7 \mathrm{H}_2 \mathrm{O}, \mathrm{E}^{\circ}=1.33 \mathrm{~V}$

$\mathrm{Fe}^{3+}(\mathrm{aq})+3 \mathrm{e}^{-} \rightarrow \mathrm{Fe}  \mathrm{E}^{\circ}=-0.04 \mathrm{~V}$

$\mathrm{Ni}^{2+}(\mathrm{aq})+2 \mathrm{e}^{-} \rightarrow \mathrm{Ni}  \mathrm{E}^{\circ}=-0.25 \mathrm{~V}$

$\mathrm{Ag}^{+}(\mathrm{aq})+\mathrm{e}^{-} \rightarrow \mathrm{Ag} \mathrm{E}^{\circ}=0.80 \mathrm{~V}$

$\mathrm{Au}^{3+}(\mathrm{aq})+3 \mathrm{e}^{-} \rightarrow \mathrm{Au} \mathrm{E}^{\circ}=1.40 \mathrm{~V}$

Consider the given electrochemical reactions, The number of metal$(s)$ which will be oxidized be $\mathrm{Cr}_2 \mathrm{O}_7{ }^{2-}$, in aqueous solution is. . . . . . 

Three isomers $A, B$ and $C$ (mol. formula $\left. C _{8} H _{11} N \right)$ give the following results

$A\,and\,C\,\xrightarrow{{{\text{Diazotization}}}}\,P + Q\,\xrightarrow[{(ii)\,oxidation\,\left( {KMn{O_4} + {H^ + }} \right)}]{{{\text{(i) Hydrolysis}}}}$$\begin{array}{*{20}{c}} {R\left( {product\,of\,A} \right)} \\ { + \,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\ {s\,\left( {prosuct\,of\,C} \right)} \end{array}$

Cannizzaro reaction is given by
Phenol is obtained by heating aqueous solution of
The major product of the following reaction is
Which of the following gives correct arrangement of compounds involved based on their bond strength
Compound $PdCl_4.6H_2O$ is a hydrated complex; $1$ molal aqueous solution of it has freezing point $269.28\ K$ . Assuming $100\%$  ionization of complex, calculate the molecular formula of the complex ($K_f$ for water $ = 1.86\ K\ kg\,mol^{-1}$) 
The relative reactivities of acyl compounds towards nucleophilic substitution are in the order of
Which of the following reactant will not favour nucleophilic substitution reaction ?
For a reaction, $I^-+OCl^-  \to IO^-+Cl^-$ in a aqueous medium, the rate of reaction is given by $\frac{{d[{IO^ - }]}}{{dt}} = k[{I^ - }][OC{l^ - }]$ The overall order of reaction is