pBlock ElementsII 1 Question 62
Passage
Upon heating $\mathrm{KClO}_3$ in presence of catalytic amount of $\mathrm{MnO}_2$, a gas $W$ is formed. Excess amount of $W$ reacts with white phosphorus to give $X$. The reaction of $X$ with pure $\mathrm{HNO}_3$ gives $Y$ and $Z$.
(2017 Adv.)
57. $W$ and $X$ are, respectively
(a) $\mathrm{O} _{2}$ and $\mathrm{P} _{4} \mathrm{O} _{10}$
(b) $\mathrm{O} _{2}$ and $\mathrm{P} _{4} \mathrm{O} _{6}$
(c) $\mathrm{O} _{3}$ and $\mathrm{P} _{4} \mathrm{O} _{6}$
(d) $\mathrm{O} _{3}$ and $\mathrm{P} _{4} \mathrm{O} _{10}$
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Answer:
Correct Answer: 57. (b)
Solution:
- (b)
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