1.Identify the compound having a centre of symmetry (COS).a.meso-2,3-Dichlorobutane (Fischer projection: Cl\text{Cl}Cl–CH\text{CH}CH–CH\text{CH}CH–Cl\text{Cl}Cl with H\text{H}H and CH3\text{CH}_3CH3 arranged symmetrically)b.trans-1,2-Dichloroethene (ClCH=CHCl\text{ClCH=CHCl}ClCH=CHCl)c.meso-2,3-Dichlorobutane (alternate Fischer projection with CH3\text{CH}_3CH3 and Cl\text{Cl}Cl swapped on the central carbons)d.1,2-Dichloroethane (ClCH2CH2Cl\text{ClCH}_2\text{CH}_2\text{Cl}ClCH2CH2Cl)Login to continueOnly logged in users canattempt or see the solution.