JEE PYQ: Alcohols Phenols And Ethers Question 42
Question 42 - 2019 (10 Jan Shift 2)
Which is the most suitable reagent for the following transformation?
$$\overset{\text{OH}}{|}\text{CH}_3-\text{CH}=\text{CH}-\text{CH}_2-\overset{}{\text{CH}}-\text{CH}_3 \longrightarrow \text{CH}_3-\text{CH}=\text{CH}-\text{CH}_2\text{CO}_2\text{H}$$
(1) Tollen’s reagent
(2) $\text{I}_2$/NaOH
(3) $\text{CrO}_2\text{Cl}_2$/$\text{CS}_2$
(4) alkaline $\text{KMnO}_4$