Decomposition of `H_2O_2` (Ist order) `H_2O_2(aq)toH_2O(l)+1/2O_2(g)` Can be monitored by titration method by pressure measurement.If `{:("time(min.)"

Question

Decomposition of `H_2O_2` (Ist order) `H_2O_2(aq)toH_2O(l)+1/2O_2(g)` Can be monitored by titration method by pressure measurement.If `{:("time(min.)"

Decomposition of `H_2O_2` (Ist order)
`H_2O_2(aq)toH_2O(l)+1/2O_2(g)`
Can be monitored by titration method by pressure measurement.If `{:("time(min.)",t=0,30,oo),("Pressure (mm of Hg)",200,375,400):}`
While when progress of same reaction was monitored by titration method or the volume of titrant consumed after 10 min was found to be 20 ml.Then complete the following table.
`{:("Time(min)",t=0,10,30),("Pressure(mm of Hg)",200,(b),(c )),("Volume of" KMnO_4,(a),20,(d)):}`
consumed (ml)

Monjur Alahi

4 views

2025-01-04 04:42

1 Answers

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

Correct Answer - a-40,b-300,c-375,d-5
`k=1/(30"min")ln{(400-200)/(400-375)}=1/(30"min")ln{200/25}=(ln2)/T_(1//2)`
`T_(1//2)=(30 "min")(ln2)/(ln8)=10` min
So, we will have
`{:("Time(min)",t=0,10,30),("Pressure (in mm of Hg)",200,300,375),("Volume of" KMnO_4"consumed (ml)",40,20,5):}`

4 views Answered 2023-02-05 15:29