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The equilibrium cell potential of the galvanic cell
Pt | H2 (g, f =1 bar) HCl (aq, 0.500mol kg-1) | Cl2 (g, f =1 bar) | Pt
is found to be Ecell, eq = 1.410V at 298.15K. The standard cell potential is E°cell, eq = 1.360V.
(a) Write the cell reaction and calculate its thermodynamic equilibrium constant at 298.15K.
(b) Use the cell measurement to calculate the mean ionic activity coef?cient of aqueous HCl at 298.15K and a molality of 0.500mol kg-1.
Radius of the first Bohr's orbit of hydrogen atom is: (1)1.06 Å (2) 0.222 Å (3) 0.28 Å (4)0.53A Ans: 0.53 Å
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How we get 49 gm = 1 eqv
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Nucleophilic addition reactions (i) Carbonyl compounds give nucleophilic addition reaction along with those reagents which on dissociation give electrophile also nucleophile.
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