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प्रश्न
Graphite is anisotropic with respect to the conduction of electric current. Explain.
टीपा लिहा
उत्तर
This is due to its chemical bonding properties. In graphite, there are C-atoms arranged in hexagonal layers which are held together by weak van der Waals forces of attraction.
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Galvanic Cells, Mechanism of Current Production in a Galvanic Cell; - Mechanism of Production of Electric Current in a Galvanic Cell
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संबंधित प्रश्न
Calculate the e.m.f of the following cell reaction at 298 K:
`Mg_(s) + Cu^(2+) (0.0001 M) -> Mg^(2+) (0.0001M) + Cu_(s)`
The standard potential `(E^@)`of the cell is 2.71 V
Calculate the maximum possible electrical work that can be obtained from a galvanic cell under standard conditions at 298K.
\[\ce{Zn|\underset{(aq)}{Zn}^2+ || \underset{(aq)}{Ag}^+ |Ag}\]
Given \[\ce{E°_{(Zn^2+/Zn)} = - 0.76V; E°_{(Ag+/Ag)} = + 0.80 V}\]
