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Decarboxylation Reaction of Alkanes

20. During el...

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20. During electrolysis of aq. CuSO4 solutions using Pt electrodes, identify correct statement 1) pH increases with time 2) pH decreases with time

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Q. During electrolysis of

C u S O_{4}

P t

-electrodes, the

p H

Q. An aqueous solution of

C u S O_{4}

is subjected to electrolysis using inert electrodes. The pH of the solution will:

Q. Assertion :At the end of electrolysis using Pt electrodes, an aqueous solution of

C u S O_{4}

turns colorless. Reason:

C u S O_{4}

C u (O H)_{2}

during elctrolysis.

Q. What will be

p H

of aqueous solution of electrolyte in electrolytic cell during electrolysis of

C u S O_{4} (a q)

between graphite electrodes?

C u S O_{4}

(aq) was electrolyzed using inert electrodes by passing 0.965 A till the

p H

of the resulting solution was 1. The solution after electrolysis was neutralized, treated with excess

K I

and titrated with 0.04 M

N a_{2} S_{2} O_{3}

N a_{2} S_{2} O_{3}

required was 35 ml. Assume no volume change during electrolysis. If the initial concentration (M) of

C u S O_{4}

64 \times 10^{- x}

, then what is the value of

x

?

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Decarboxylation Reaction of Alkanes

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