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H(2)O(2) can be produced by the Ammonium...

`H_(2)O_(2)` can be produced by the Ammonium hydrogen sulphate. Reactions occuring in electrolytic cell.
`NH_(4)HSO_(4) rarr NH_(4)^(+) +H^(+) +SO_(4)^(2-)`
`2SO_(4)^(2-) rarr S_(2)O_(8)^(2-) +2e^(-)` (Anode)
`2H^(+) +2e^(-) rarr H_(2)` (cathode)
`(NH_(4))_(2)S_(2)O_(8) +2H_(2)O rarr 2NH_(4)HSO_(4) +H_(2)O_(2)`
Hydrolysis of Ammonium persulphate
Assume `100%` yield of hydrolysis reaction.
What is the current efficiency when 100 Amp current is passed for 965 sec, in order to produce 17 gm of `H_(2)O_(2)`.

A

`20%`

B

`40%`

C

`80%`

D

`100%`

Text Solution

Verified by Experts

The correct Answer is:
D
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H_(2)O_(2) can be produced by the ammonium hydrogen sulphate. Reactions occuring in electrolytic cell, NH_(4)HSO_(4)rarrNH_(4)^(-)+2e^(-) (Anode) 2SO_(4)^(2-)rarrS_(2)O_(8)^(2-)+2e^(-) 2H^(+)+2e^(-)rarrH_(2) (Cathode) Hydrolysis of ammonium persulphate: (NH_(4))_(2)S_(2)O_(8)+2H_(2)Orarr2NH_(4)HSO_(4)+H_(2)O_(2) Assume 100% yield of hydrolysis reaction. What is the current efficiency when 100 Amp current is passed for 965 seconds in order to produce 17 gm of H_(2)O_(2) .

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H_(2)O_(2) can be produced by the ammonium hydrogen sulphate. Reactions occuring in electrolytic cell, NH_(4)HSO_(4)rarrNH_(4)^(-)+2e^(-) (Anode) 2SO_(4)^(2-)rarrS_(2)O_(8)^(2-)+2e^(-) 2H^(+)+2e^(-)rarrH_(2) (Cathode) Hydrolysis of ammonium persulphate: (NH_(4))_(2)S_(2)O_(8)+2H_(2)Orarr2NH_(4)HSO_(4)+H_(2)O_(2) Assume 100% yield of hydrolysis reaction. What volume of hydrogen gas at 1 atm and 273 K will be produced in cathode in previous question?

H_(2)O_(2) can be produced by the ammonium hydrogen sulphate. Reactions occuring in electrolytic cell, NH_(4)HSO_(4)rarrNH_(4)^(-)+2e^(-) (Anode) 2SO_(4)^(2-)rarrS_(2)O_(8)^(2-)+2e^(-) 2H^(+)+2e^(-)rarrH_(2) (Cathode) Hydrolysis of ammonium persulphate: (NH_(4))_(2)S_(2)O_(8)+2H_(2)Orarr2NH_(4)HSO_(4)+H_(2)O_(2) Assume 100% yield of hydrolysis reaction. How many "mole"s of electrons are to be passed in order to produce enough H_(2)O_(2) which when reacted with excess of KI then liberated iodine required 100 mL of centimolar hypo solution.

Na_(2)SO_(3)+H_(2)O_(2) rarr Na_(2)SO_(4) +H_(2)O , in reaction

Anodic oxidation of ammonium hydrogen sulphate produces ammonium persulphate. NH_(4) HSO_(4) rarr NH_(4)SO_(4)^(-) + H^(+) 2NH_(4) SO_(4)^(-) rarr (NH_(4))_(2) S_(2) O_(8) + 2e^(-) (Anodic oxidation) 2H^(+) + 2e^(-) rarr H_(2) (Cathodic reduction) Hydrolysis of ammonium persulphate forms H_(2)O_(2) (NH_(2))_(2) S_(2)O_(8) + 2H_(2)O rarr 2NH_(4) HSO_(4) + H_(2)O_(2) Current efficiency in electrolytic process is 60%. Calculate the amount of current required to produce 85 g of H_(2)O_(2) per hour: Hydrolysis reaction shows 100% yield.

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