22
MCQ (Multiple Correct Answer)
$\Lambda_{\mathrm{m}}^{\circ} \mathrm{H}_2 \mathrm{O}$ is equal to. ............... .
A
$\Lambda_{m(\mathrm{HCl})}^{\circ}+\Lambda_{m(\mathrm{NaOH})}^{\circ}-\Lambda_{m(\mathrm{NaCl})}^{\circ}$
B
$\Lambda_{m\left(\mathrm{HNO}_3\right)}^{\circ}+\Lambda_{m\left(\mathrm{NaNO}_3\right)}^{\circ}-\Lambda_{m(\mathrm{NaOH})}^{\circ}$
C
$\Lambda_{m\left(\mathrm{HNO}_3\right)}^{\circ}+\Lambda_{m(\mathrm{NaOH})}^{\circ}-\Lambda_{m\left(\mathrm{NaNO}_3\right)}^{\circ}$
D
$\Lambda_{m\left(\mathrm{NH}_4 \mathrm{OH}\right)}^{\circ}+\Lambda_{m(\mathrm{HCl})}^{\circ}-\Lambda_{m\left(\mathrm{NH}_4 \mathrm{Cl}\right)}^{\circ}$
23
MCQ (Multiple Correct Answer)
What will happen during the electrolysis of aqueous solution of $\mathrm{CuSO}_4$ by using platinum electrodes?
A
Copper will deposit at cathode
B
Copper will deposit at anode
C
Oxygen will be released at anode
D
Copper will dissolve at anode
24
MCQ (Multiple Correct Answer)
What will happen during the electrolysis of aqueous solution of $\mathrm{CuSO}_4$ in the presence of Cu electrodes?
A
Copper will deposit at cathode
B
Copper will dissolve at anode
C
Oxygen will be released at anode
D
Copper will deposit at anode
25
MCQ (Multiple Correct Answer)
Conductivity $\kappa$, is equal to ............. .
A
$\frac{1}{R} \frac{l}{A}$
B
$\frac{G^*}{R}$
C
$\Lambda_m$
D
$\frac{l}{A}$
26
MCQ (Multiple Correct Answer)
Molar conductivity of ionic solution depends on ........... .
A
temperature
B
distance between electrodes
C
concentration of electrolytes in solution
D
surface area of electrodes