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Question

The volume strength of H2O2 left after reacting with Sn2+ is:

A
1.12V
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B
11.2V
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C
2.24V
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D
22.4V
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Solution

The correct option is B 11.2V
1N or Eq L1 of H2O2=5.6 volume of O2 at STP
N=0.2100×1000=2Eq L1 of H2O2
=5.6×2=11.2V

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