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Q.

Calculate the weight of O2 produced on heating 1.12L 10V volume strength of H2O2 at STP?

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a

8g

b

16g

c

24g

d

32g

answer is B.

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Detailed Solution

Volume of O2 liberated during the decomposition of H2O2 at STP = volume strength x sample volume.

 Moles of O2 at STP=11.2L22.4L=0.5mol

 Weight of O2=0.5×32=16.0g

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