doubts n electrochemistry

IIT JEE 2015 Questions › Physical Chemistry questions › doubts n electrochemistry

1.An electrochemical cell is constructed by immersing a piece of copper wire in 50ml of 0.1M CuSO₄ soln and " " ' ' zinc wire in " " " ZnSO₄ soln. If 50 ml of 1.5 M NH₃ is added to CuSO₄ soln then Emf of cell is= Ans 0.715V
given reduction potential of Cu and Zn are 0.34V and -0.76V respectively.

2.The equivalent conductances of CH₃COOH,HCl,NaCl at infinite diluion are 91,426,126 s cm²eq^-1 respectively at 25⁰C.The equivalent conductance of 1M CH₃COOH is 19.55 The pH of soln=?? pka=4.74
Ans.1.3

#Chemistry #Physical Chemistry

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ajoy abcd ·2010-06-30 08:50:37

no one interested?

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Basic Integral Calculus Operators Symbols Matrix Cases

√ √ || {} [] () → ~ ^ x x x → → ln log lg lim lim cos sin tan cot arcsin arccos arctan

∫ ∫ ∫ ∫ ∫ ∬ ∬ ∬ ∬ ∬ ∭ ∭ ∭ ∭ ∭ ⨌ ⨌ ⨌ ⨌ ⨌

∑ ∑ ∑ ∑ ∑ ∮ ∮ ∮ ∮ ∮ ∏ ∏ ∏ ∏ ∏ ∐ ∐ ∐ ∐ ∐

+ - × ÷ ± ∓ = ∪ ∩ ≠ ∼ ≈ ∅ ∀ ∃ ∈ ∋ ∝ ≤ ≥ ≃ ≅ ≡ < > ≪ ≫ ⊂ ∉ ⊃ ⊆ ⊇ ⇒ ⇐ ⇔ ⇒ ⇐ ⇔ ⇑ ⇓ ⇕ → ← ↔ → ← ↔ ↑ ↓ ↕ ↖ ↗ ↘ ↙ ↪ ↩ ⇀ ↼ ⇁ ↽

° ∂ ∞ α β γ δ θ λ μ ν ξ π ρ σ φ ω ε ƒ κ τ υ Γ Δ Λ Σ Π Ω