, O 3 and P 4 O 6 N 2 O 3 and H 3 PO 4

, O 2 and P 4 O 6 N 2 O 5 and HPO 3

and O 2 and P 4 O 10 N 2 O 4 and HPO 3

. ONLY ONE of these four options is correct • For each question, marks will be awarded in one of the following categories: Full Marks : +3 If only the bubble corresponding to all the correct option is darkened Zero Marks : 0 In all other cases. PARAGRAPH 1 Upon heating KC1O 3 in the presence of catalytic amount of MnO 2 , a gas W is formed. Excess amount of W reacts with white phosphorus to give X. The reaction of X with HNO 3 gives Y and Z. (i) W and X are, respectively O 3 and P 4 O 10 (ii) Y and Z are, respectively N 2 O 4 and H 3 PO 3