Question
Calculate the electrode potential of copper electrode dipped in $0.1\ce{M CuSO_4}$ solution at $298K.$ Given that $\text{E}^{\circ}_{\text{cu}^{2}+/\text{cu}}=0.34\text{V}.$
✓
Answer
$\text{Cu}^{2+}+2\text{e}^-\xrightarrow{ \ \ \ \ \ \ }\text{Cu};\text{n}=2$
$\text{E}_{\text{Cu}^{2+}/\text{Cu}}=\text{E}^{\circ}_{\text{Cu}^{2+}/\text{Cu}}-\frac{0.059}{\text{n}}\log\frac{1}{[\text{Cu}^{2+}]}$
$\text{E}_{\text{Cu}^{2+}/\text{Cu}}=0.34-\frac{0.059}{2}\log\frac{1}{0.1}$
$\text{E}_{\text{Cu}^{2+}/\text{Cu}}=0.34-0.0295=0.3105\text{V}$
$\text{E}_{\text{Cu}^{2+}/\text{Cu}}=\text{E}^{\circ}_{\text{Cu}^{2+}/\text{Cu}}-\frac{0.059}{\text{n}}\log\frac{1}{[\text{Cu}^{2+}]}$
$\text{E}_{\text{Cu}^{2+}/\text{Cu}}=0.34-\frac{0.059}{2}\log\frac{1}{0.1}$
$\text{E}_{\text{Cu}^{2+}/\text{Cu}}=0.34-0.0295=0.3105\text{V}$
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
How can diethyl ether be prepared from
i. ethyl iodide
ii. ethyl alcohol?
Why is the boiling point of an ether lower than that of the isomeric alcohols.
i. ethyl iodide
ii. ethyl alcohol?
Why is the boiling point of an ether lower than that of the isomeric alcohols.
Write short notes :
Coupling reaction
Coupling reaction
Complte the following reaction :
A solution contains 1g mol. each of p-toluene diazonium chloride and pnitrophenyl diazonium chloride. To this 1g mol. of alkaline solution of phenol is added. Predict the major product. Explain your answer.
Complete the following reactions :
→- $\text{C}_6\text{H}_5-\text{COO}^-\text{NH}^+_4\xrightarrow{\text{ }\text{ }\text{ }\text{ }\text{ }\text{ }\text{ }\text{ }\triangle\text{ }\text{ }\text{ }\text{ }\text{ }\text{ }\text{ }\text{ }\text{ }}\text{A}\xrightarrow{\text{ }\text{ }\text{ }\text{ }\text{Br}_2/\text{KOH}\text{ }\text{ }\text{ }\text{ }}\text{B}\xrightarrow{\text{ }\text{ }\text{ }\text{ }\text{CH}_3\text{COC}l_3/\text{pyridine}\text{ }\text{ }\text{ }\text{ }}\text{C}$
- $\text{C}_6\text{H}_5\text{N}^+_2\text{BF}^-_4\xrightarrow[\triangle]{\text{ }\text{ }\text{ }\text{ }\text{ }\text{ }\text{ }\text{ }\text{NaNO}_2/\text{Cu}\text{ }\text{ }\text{ }\text{ }\text{ }\text{ }\text{ }\text{ }\text{ }}\text{A}\xrightarrow{\text{ }\text{ }\text{ }\text{ }\text{Sn}/\text{HC}l\text{ }\text{ }\text{ }\text{ }}\text{B}\xrightarrow[\triangle]{\text{ }\text{ }\text{ }\text{ }\text{CHC}l_3+\text{alc. KOH}\text{ }\text{ }\text{ }\text{ }}\text{C}$
Using Raoult’s law explain how the total vapour pressure over the solution is related to mole fraction of components in the following solutions.
$NaCl(s)$ and $H_2O(l)$
→$NaCl(s)$ and $H_2O(l)$
What is Electrolytic cell? Explain simplest electrolytic cell in details?
The conductivity of $2.5 \times 10^{-4} M$ methanoic acid is $5.25 \times 10^{-5} S cm ^{-1}$ and its $\wedge_{ m }^0$ has a value $400 S cm ^2 mol^{-}$ 1. Calculate its molar conductivity and degree of dissociation.
→Ortho and para nitrophenols are more acidic than phenol. Draw the resonance structures of the corresponding phenoxide ions.
Why is the vapour pressure of an aqueous solution of glucose lower than that of water?