Of the following, which will not show chromyl chloride test?
(I) Rubidium chloride
(II) Benzene diazonium chloride
(III) K2PtCl6
(IV) Mercurous chloride
(A) II, III and IV
(B) III and IV
(C) IV only
(D) II and III
(A) II, III and IV
(B) III and IV
(C) IV only
(D) II and III