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हाइड्रोजन अर्द्ध - सेल का अपचयन विभव ऋणात्मक होगा यदि
A. `P(H_(2))=1" atm"` तथा `[H^(+)]=2.0M`
B. `P(H_(2))=1" atm"` तथा `[H^(+)]=1.0M`
C. `P(H_(2))=2" atm"` तथा `[H^(+)]=1.0M`
D. `P(H_(2))=2" atm"` तथा `[H^(+)]=2.0M`

1 Answer

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`2H^(+)+2etoH_(2)(g)`
`E_(RP)=R_(RP)^(@)-(0.059)/(n)"log"(P_(H_(2)))/([H^(+)]^(2))=0(0.059)/(2)"log"(2)/((1)^(2))`
जब `P_(H_(2))gt[H^(+)]` तो `E_(RP)` ऋणात्मक होगा ।

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