Which of the following statements is correct ?
a. ClF3 molecule is bent T-shape
b. In SF4 molecule, F—S—F equatorial bond angle is 103∘ due to lp−lp repulsion
c. In [ICl4]− molecular ion, Cl—I—Cl bond angle is 90∘
d. In OBr2 , the bond angle is less than OCl2