What volume of oxygen is produced from the decomposition of 2 mole of KCIO3 at…

What volume of oxygen is produced from the decomposition of 2 mole of KCIO3 at s.t.p?
[Molar volume of a gas at s.t.p = 22.4 dm3]
  • A.
    22.4 dm3
  • B.
    33.6 dm3
  • C.
    44.8 dm3
  • D.
    67.2 dm3
Correct Answer: Option D
Explanation

2KClO3 → 2KCl + 3O2
3 moles of oxygen is produced
1 moles of oxygen is 22.4 dm3
3 moles of oxygen is 67.2 dm3

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