Chap.05 THE Halogens AND THE Noble Gases

            (c)     Kr                                               (d)    Ar

22.       Who reported the first noble gas:

            (a)     Cavendish                                  (b)    Frankland

            (c)     William Ramsay                         (d)    Rayleigh

23.       Which noble gas does not obey octet rule:

            (a)     Ne                                              (b)    He

            (c)     Ar                                               (d)    Kr

24.       Which is the most polarized noble gas:

            (a)     Kr                                               (b)    Xe

            (c)     He                                              (d)    Rn

25.       XeF2 molecule is:

            (a)     Tetrahedral                                 (b)    Linear

            (c)     Pyramidal                                   (d)    Trigonal planar