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298 K पर, निम्नलिखित विद्युत रासायनिक से...

298 K पर, निम्नलिखित विद्युत रासायनिक सेल पर विचार कीजिए,
`Ag(s)"|" AgI(s)|I^(-) (aq)"||" Cl^(-) (aq)"|" Hg_(2)Cl_(2)"|"Hg(l)Pt(s)`
[दिया गया है - `E_(Cl^(-)"|"Hg_(2)Cl_(2)"|"Hg)^(@)=0.26V, E_(Ag^(+)//Ag)^(@) =0.8V, K_(sp)(AgI)` और
`=10^(-16)`
`(2.303RT)/(F)=0.06`]
उपरोक्त सेल में होने वाली समग्र अभिक्रिया है -

A

`(1)/(2)Hg_(2)Cl_(2)(s) +Ag(s) +I^(-)(aq) to Hg(l) +Cl^(-) (aq) +AgI (s)`

B

`Ag^(+)(aq) +I^(-) (aq) to AgI (s)`

C

`Hg_(2)^(2+) (aq) +I_(2)Cl^(-) (aq) to Hg_(2)Cl_(2)(s)`

D

सेल अभिक्रिया संभव नहीं है

Text Solution

Verified by Experts

The correct Answer is:
A
ऐनोड `Ag+I^(-) to AgI +e^(-)`
कैथोड `Hg_(2)Cl_(2) +2e to 2Hg +2Cl^(-)`
अतः, उपरोक्त सेल में होने वाली समग्र अभिक्रिया इस प्रकार है -
`(1)/(2) Hg_(2)Cl_(2)(s) +Ag(s) +I^(-) (aq) to Hg(l) + Cl^(-) (aq) +AgI (s)`
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