Match List I with List II.
| List I (Conversion) |
List II (Number of Faraday required) |
||
|---|---|---|---|
| A. | 1 mole of H$$_2$$O to O$$_2$$ | I. | 3F |
| B. | 1 mol of MnO$$_4^-$$ to Mn$$^{2+}$$ | II. | 2F |
| C. | 1.5 mol of Ca from molten CaCl$$_2$$ | III. | 1F |
| D. | 1 mol of FeO to Fe$$_2$$O$$_3$$ | IV. | 5F |
Choose the correct answer from the options given below :
Mass in grams of copper deposited by passing 9.6487 A current through a voltmeter containing copper sulphate solution for 100 seconds is (Given : Molar mass of $$\mathrm{Cu}: 63 \mathrm{~g} \mathrm{~mol}^{-1}, 1 \mathrm{~F}=96487 \mathrm{C}$$)
The $$\mathrm{E}^{\Theta}$$ values for
$$\begin{aligned} & \mathrm{Al}^{+} / \mathrm{Al}=+0.55 \mathrm{~V} \text { and } \mathrm{Tl}^{+} / \mathrm{Tl}=-0.34 \mathrm{~V} \\ & \mathrm{Al}^{3+} / \mathrm{Al}=-1.66 \mathrm{~V} \text { and } \mathrm{T}^{3+} / \mathrm{Tl}=+1.26 \mathrm{~V} \end{aligned}$$
Identify the incorrect statement
Molar conductance of an electrolyte increase with dilution according to the equation:
$$\Lambda_{\mathrm{m}}=\Lambda_{\mathrm{m}}^{\circ}-\mathrm{A} \sqrt{\mathrm{c}}$$
Which of the following statements are true?
(A) This equation applies to both strong and weak electrolytes.
(B) Value of the constant $$\mathrm{A}$$ depends upon the nature of the solvent.
(C) Value of constant $$\mathrm{A}$$ is same for both $$\mathrm{BaCl}_2$$ and $$\mathrm{MgSO}_4$$
(D) Value of constant $$\mathrm{A}$$ is same for both $$\mathrm{BaCl}_2$$ and $$\mathrm{Mg}(\mathrm{OH})_2$$
Choose the most appropriate answer from the options given below: