Alcohols Phenols And Ethers Question 103
Question: n-propyl alcohol and isopropyl alcohol can be chemically distinguished by which reagent
Options:
A) $ PCl_5 $
B) reduction
C) oxidation with potassium dichromate
D) ozonolysis
Show Answer
Answer:
Correct Answer: C
Solution:
[c] In such reactions, first write down the sequence of reactions and then proceed backword/forward from a known compounds, reagent, or known fact (test). $ A\xrightarrow[(ii)H_2O]{(i)CH_3MgI}B\xrightarrow[{}]{VictorMeyertest}Bluecolour $ Appearance of blue colour in Victor Meyer test indicates taht B is $ 2{}^\circ $ alcohol and thus A must be an aldehyde other than HCHO. Thus among the given options, only option (c) is correct.
BETA
