11.Paragraph for Question Nos. 11 to 13Some amount of â€œ20V"H,O,

11.Paragraph for Question Nos. 11 to 13Some amount of â€œ20V"H,O, is mixed with excess of acidified solution of KI. The iodine so liberated requiremL of 0.1 N Na,s,o, for titration.The volume of H,0, solution is:(A) 11.2 mL (B) 37.2 mL(C) 5.6 mL(D) 22.4 mLThe mass of K Cr,O, needed to oxidise the above volume of H,O, solution is:(A) 3.6 g(B) 0.8 g(C)4.2g(D) 0.98 gThe volume of O, at STP that would be liberated by above H, O, solution on disproportionation is :(A) 56 mL(B) 112 mL(C) 168 mL(D) 224 mL12.13.

Answer»

11( B)12( C) 13( A)

11 (b)12 (c)13 (a)

11 (b) 12(c)12 (a) is the right

11,(b)12,(c)13,(a) is the right answer