Consider the following order: (I) Thermal stability: BeSO4 < MgSO4 < CaSO4 < SrSO4 < BaSO4. (II) Bon — AITS & Test Series Chemistry Question

Question

Consider the following order: (I) Thermal stability: BeSO4 < MgSO4 < CaSO4 < SrSO4 < BaSO4. (II) Bond angle: OCl2 > SF2 > ASH3 > H2Se (III) Bond order of 2 O, NO and 2 N is 2.5. (IV) NCl3 on hydrolysis gives HOCl but BCl3 gives HCl. Identify which of the above four statements are correct. (A) I, II, III and IV (B) II, III and IV (C) I, II and IV (D) I and II