JEE PYQ: Alcohols Phenols And Ethers Question 8
Question 8 - 2021 (25 Feb Shift 2)
What is ‘X’ in the given reaction?
$$\text{CH}_2\text{OH} + \text{oxalic acid} \xrightarrow{210°\text{C}} X \text{ (major product)}$$ $$\text{CH}_2\text{OH}$$
(1) $\text{CH}_2 = \text{CH}_2$
(2) $\text{CH} - \text{OH}$ with $\text{CH}_3$ (vinyl alcohol tautomerizing to acetaldehyde)
(3) $\text{CH}_2\text{OH}$ | $\text{CHO}$
(4) $\text{CHO}$ | $\text{CHO}$