1.Which reaction intermediate is formed during the condensation reaction between acetaldehyde and formaldehyde?a.−CH2CHO^−\text{CH}_2\text{CHO}−CH2CHO (enolate of acetaldehyde)b.CH2+CHO\text{CH}_2^+\text{CHO}CH2+CHOc.CH2OH\text{CH}_2\text{OH}CH2OHd.−CHCHO^−\text{CHCHO}−CHCHOLogin to continueOnly logged in users canattempt or see the solution.