MCQ
$\ce{CH_3CH_2OH}$ can be converted into $\ce{CH_3CHO}$ by $........$
- ACatalytic hydrogenation.
- BTreatment with $\ce{LiAlH_4}.$
- ✓Treatment with pyridinium chlorochromate.
- DTreatment with $\ce{KMnO_4}$
✓
Answer
Correct option: C.
Treatment with pyridinium chlorochromate.
Alcohols are oxidized to aldehydes and finally to acids.
$\text{CH}_3\text{CH}_2\text{OH}\xrightarrow{[\text{O}]}\text{CH}_3\text{CHO}\xrightarrow{[\text{O}]}\text{CH}_3\text{COOH}$
Oxidations can be stopped at aldehyde stage by using puridinium chlorochromate $(\ce{CrO_3C_5H_5N.HCl})$
$\text{CH}_3\text{CH}_2\text{OH}\xrightarrow{\text{PCC}}\text{CH}_3\text{CHO}$
$\text{CH}_3\text{CH}_2\text{OH}\xrightarrow{[\text{O}]}\text{CH}_3\text{CHO}\xrightarrow{[\text{O}]}\text{CH}_3\text{COOH}$
Oxidations can be stopped at aldehyde stage by using puridinium chlorochromate $(\ce{CrO_3C_5H_5N.HCl})$
$\text{CH}_3\text{CH}_2\text{OH}\xrightarrow{\text{PCC}}\text{CH}_3\text{CHO}$
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
Which of the following consist of equal no. of $p\pi - p\pi $ and $p\pi - d\pi $ bonds
→The reaction (figure) is known as
The reaction $2{N_2}{O_5}$ $\rightleftharpoons$ $2N{O_2} + {O_2}$ follows first order kinetics. Hence, the molecularity of the reaction is
→The $IUPAC$ name of $\left[\mathrm{Ni}\left(\mathrm{NH}_3\right)_4\right]\left[\mathrm{NiCl}_4\right]$ is
→The freezing point of diluted milk sample is found to be $-\,0.2\,^oC,$ while it should have been $\,0.5\,^oC,$ for pure milk. How much water been added to pure milk to make the diluted sample?
→In the following sequence
→$CH_3CH_2Cl \xrightarrow{NaCN}(i)\xrightarrow{Ni/{{H}_{2}}}(ii)\xrightarrow{acetic\,anhydride}(iii)$ , Product $(iii)$ is
Leucine amino acids is the
An exothermic reaction $X \rightarrow Y$ has an activation energy $30\, kJ \,mol ^{-1}$. If energy change $\Delta E$ during the reaction is $-20\, kJ ,$ then the activation energy for the reverse reaction in $kJ$ is $...$.(Integer answer)
→Spiegeleisen is an alloy of
Which of the following is an ideal solution