, CrO 4 2- and Br 2

, MnO 4 2- and C1 2

and MnO 4 - and C1 2

. ONLY ONE of these four options is the correct answer. • For each question, choose the option corresponding to the correct answer. • Answer to each question will be evaluated according to the following marking scheme: Full Marks : +3 If ONLY the correct option is chosen; Zero Marks : 0 If none of the options is chosen (i.e. the question is unanswered); Negative Marks : -1 In all other cases. In the scheme given below, X and Y, respectively, are Metal halide White precipitate (P) + Filtrate (Q) P X (a coloured species in solution) Q Y (gives blue-coloration with KI-starch paper) MnSO 4 and HOC1