p-Block elementsHard

Question

Select correct statement :

Options

A.Cl2O and ClO2 are used as bleaching agents and as germicides.
B.I2O5 is used in the quantitative estimation of CO.
C.Cl2O explodes in presence of ammonia forming NH4Cl and liberating N2 gas.
D.all are correct.

Solution

(A) Correct statement. ClO2 ClO + [O] ; it kill bacteria better than Cl2.
(B) CO can be estimated by reaction with iodine pentoxide, the iodine which is produced quantitatively being titrated with standard sodium thiosulphate solution.
      5CO(g) + I2O5(s) →  I2(s) + 5CO2(g)
(C) 3Cl2O + 10NH3 → 6NH4Cl + 2N2 + 3H2O.

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