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Upon heatingKClO(3) in presence of catal...

Upon heating`KClO_(3)` in presence of catalytic amount of `MnO_(2)`, a gas `W` is formed. Excess amount of `W` reacts with white phosphorus to given `X`. The reaction of `X` with pure `HNO_(3)` gives `Y` and `Z`.
Y and Z are, respectively

A

`N_(2)O_(4)` and `HPO_(3)`

B

`N_(2)O_(4)` and `H_(3)PO_(3)`

C

`N_(2)O_(3)` and `H_(3)PO_(4)`

D

`N_(2)O_(5)` and `HPO_(3)`

Text Solution

Verified by Experts

The correct Answer is:
D
`KClO_(3) overset(Delta)underset(MnO_(2))to KCl + O_(2)`
`underset("(White)")(P_(4))+ underset("(excess)")(O_(2))to underset("(X)")(P_(4)O_(10))`
`P_(4)O_(10) + HNO_(3) to underset("(Y)")(N_(2)O_(5)) + underset("(Z)")(HPO_(3))`
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