Engineering
Chemistry
Compounds of Nitrogen Family

Question

Upon heating KClO3 in the presence of catalytic amount of MnO2, a gas W is formed. Excess amount of W reacts with white phosphorus to give X. The reaction of X with pure HNO3 gives Y and Z.

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Linked Question 1

W and X are, respectively

O2 and P4O10

O3 and P4O6

O3 and P4O10

O2 and P4O6

Solution

KClO3→MnO2  KCl+32O2[W]

P4+O2(excess amount)→P4O10[X]

P4O10+HNO3→N2O5[Y]+HPO3[Z]

Linked Question 2

Y and Z are, respectively

N2O3 and H3PO4

N2O4 and H3PO3

N2O4 and HPO3

N2O5 and HPO3

Solution

KClO3→MnO2  KCl+32O2[W]

P4+O2(excess amount)→P4O10[X]

P4O10+HNO3→N2O5[Y]+HPO3[Z]