MCQ
Acrolein is formed when glycerol is heated with -
  • A
    Acidified $KMnO_4$
  • B
    $Br_2$ water
  • $KHSO_4$
  • D
    $HNO_3$

Answer

Correct option: C.
$KHSO_4$
c
Acidified $KMnO _4$ oxidized glycerol to Aldehyde and removes $2$ water molecules gives Acrolein.

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

Alkaline oxidative fusion of $\mathrm{MnO}_2$ gives $"A"$ which on electrolytic oxidation in alkaline solution produces $B. A$ and $B$ respectively are:
Smoke precipitator works on the principle of:
The chemical equivalent of silver is $108$. If the current in a silver voltameter is $2\, Amp$., the time required to deposit $27\, grams$ of silver will be ............ $\mathrm{hrs}$
The oxoanion which contains all equivalent $M-O$ bond is

$(I)$ $CrO_4^{2-}$

$(II)$ $MnO_4^-$

$(III)$ $Cr_2O_7^{2-}$ ?

Given below are two statements :

Statement $I :$ Ethyl pent$-4-$yn$-$oate on reaction with $\mathrm{CH}_{3} \mathrm{MgBr}$ gives a $3^{\circ}$-alcohol.

Statement $II :$ In this reaction one mole of ethyl pent$-4-$yn$-$oate utilizes two moles of $\mathrm{CH}_{3} \mathrm{MgBr}$.

In the light of the above statements, choose the most appropriate answer from the options given below:

A reaction that is of the first order with respect to reactant $A$ has a rate constant $6\,{\min ^{ - 1}}.$ If we start with $[A] = 0.5\,mol\,\,{l^{ - 1}}$, when would $[A]$ reach the value $ 0.05\,mol$ ${l^{ - 1}}$ ...... $\min$
Acid strength of oxy acids of chlorine follows the order
Van't Hoff factor $i$
$1$.  $KClO_3 \xrightarrow{\Delta } $

$2$.  $XeF_2 \xrightarrow{H_2O} $

$3$.  $XeF_4 \xrightarrow{H_2O} $

$4$. $PbO_2 \xrightarrow{\Delta } $

$5$. $XeF_6 \xrightarrow{H_2O} $

In how many of the above processes, $O_2$ will be one of the products

In the given reaction :

$\begin{array}{*{20}{c}}
  O \\ 
  {||} \\ 
  {C{H_3} - C - C{H_3}} 
\end{array}\mathop {\xrightarrow{{Conc.{H_2}S{O_4}}}}\limits_{Distillation} [X]$

$[X]$ will be :