Chemistry - Complete Pblock- Question with Solution | TestHub
ChemistryComplete Pblock-p-Block 17,18Easy2 minQB
ChemistryEasysingle choice
On heating MnO₂ with concentrated HCl a greenish-yellow gas W is formed. W reacts with excess NH₃ to give X along with a white solid. X reacts with H₂ under suitable conditions to give back a compound Y which restores the nitrogen cycle. W and X are, respectively -
Options:
Answer:
B
Solution:
MnO₂ + 4HCl(conc.) → MnCl₂ + Cl₂↑ + 2H₂O, so W = Cl₂; 8NH₃(excess) + 3Cl₂ → N₂ + 6NH₄Cl, so X = N₂.
Stream:JEESubject:ChemistryTopic:Complete Pblock-Subtopic:p-Block 17,18
⏱ 2mℹ️ Source: QB
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