Q.

In the reaction CrO5 + H2SO4 →  Cr2 SO43 + H2O + O2 one mole of CrO5 will liberate how many moles of O2

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a

5/2

b

5/4

c

9/2

d

7/2

answer is D.

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Detailed Solution

2CrO5 + 3H2SO4 →  Cr2 SO43 + 3H2O + 7/2O21 mole  CrO5 liberates →  7/2 mole of  O2
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