1.Which of the following does NOT undergo aldol condensation?a.CH3CHO\text{CH}_3\text{CHO}CH3CHOb.ClCH2CHO\text{ClCH}_2\text{CHO}ClCH2CHOc.C6H5CHO\text{C}_6\text{H}_5\text{CHO}C6H5CHOd.CHCl2CHO\text{CHCl}_2\text{CHO}CHCl2CHOLogin to continueOnly logged in users canattempt or see the solution.