$$n$$ - propyl alcohol and isopropyl alcohol can be chemically distinguished by which reagent
A.
\[PC{{l}_{5}}\]
B.
reduction
C.
oxidation with potassium dichromate
D.
ozonolysis
Answer :
oxidation with potassium dichromate
Solution :
In such reactions, first write down the sequence of reactions and then proceed backward/forward from a known compound, reagent, or known fact (test).
\[A\xrightarrow[\left( ii \right)\,{{H}_{2}}O]{\left( i \right)\,C{{H}_{3}}MgI}B\xrightarrow{\text{Victor Meyer test}}\text{Blue colour}\]
Appearance of blue colour in Victor Meyer test indicates that $$B$$ is \[{{\text{2}}^{\circ }}\] alcohol and thus $$A$$ must be an aldehyde other than $$HCHO.$$ Thus among the given options, only option (C) is correct.
Releted MCQ Question on Organic Chemistry >> Alcohol, Phenol and Ether
Releted Question 1
Ethyl alcohol is heated with conc $${H_2}S{O_4}$$ the product formed is
A.
\[{{H}_{3}}C\underset{\begin{smallmatrix}
\parallel \\
O
\end{smallmatrix}}{\mathop{-C-}}\,O{{C}_{2}}{{H}_{5}}\]