BITSAT 2018 Slot 2 Solved Paper

CH2Cl2 is similar to CH4 (tetrahedral) but it has three different bond angles.
HCH,HCCl,ClCCl, which are close to but not equal to 109.5°. Since, electronegativity of Cl>C>H the bond dipole moments do not cancel and the molecule has a dipole moment.