Government

Q. What does the government do for its people?

1. Construction of roads
2. Protection of national boundaries
3. Solving personal issues
4. Providing public education

Q.

Which of the following represents the anode half-cell reaction for the following galvanic cell: $Cu\left(s\right)|C{u}^{2+}\left(aq\right)||A{g}^{+}\left(aq\right)|Ag\left(s\right)$

1. $Cu\left(s\right)+2A{g}^{+}\left(aq\right)\to C{u}^{2+}\left(aq\right)+2Ag\left(s\right)$

2. $2A{g}^{+}\left(aq\right)+2e^{-}\to 2Ag\left(s\right)$

3. $Cu\left(s\right)\to C{u}^{2+}\left(aq\right)+2e^{-}$

4. $A{g}^{+}\left(aq\right)+e^{-}\to Ag\left(s\right)$

Q. The notation to indicate a boundary between two phases in a electro- chemical cell is

1. /
2. | |
3. |
4. \

Q. What does the double line in the following cell represntation stand for?
$Mg\left(s\right)|M{g}^{2+}\left(aq\right)||A{l}^{3+}\left(aq\right)|Al\left(s\right)$

1. Electrolyte
2. Salt bridge
3. Anode
4. Cathode

Q.

Which of the following represents the anode half-cell reaction for the following galvanic cell: $Cu\left(s\right)|C{u}^{2+}\left(aq\right)||A{g}^{+}\left(aq\right)|Ag\left(s\right)$

1. $Cu\left(s\right)\to C{u}^{2+}\left(aq\right)+2e^{-}$

2. $2A{g}^{+}\left(aq\right)+2e^{-}\to 2Ag\left(s\right)$

3. $A{g}^{+}\left(aq\right)+e^{-}\to Ag\left(s\right)$

4. $Cu\left(s\right)+2A{g}^{+}\left(aq\right)\to C{u}^{2+}\left(aq\right)+2Ag\left(s\right)$

Q. What does the double line in the following cell represntation stand for?
$Mg\left(s\right)|M{g}^{2+}\left(aq\right)||A{l}^{3+}\left(aq\right)|Al\left(s\right)$

1. Electrolyte
2. Salt bridge
3. Anode
4. Cathode

Q. The notation to indicate a boundary between two phases in a electro- chemical cell is

1. /
2. |
3. | |
4. \

Q. One beaker contains 0.15 M $Cd(N{O}_3{)}_2$ and a Cd metal electrode. The other beaker contains 0.20 M $AgN{O}_3$ and a Ag metal electrode. The cell representation of a cell in which cadmium metal oxidizes

1. Cd(s) | $C{d}^{2+}$ (aq, 0.15 M) || $A{g}^{+}$ (aq, 0.20 M) | Ag(s)
2. $A{g}^{+}$ (aq, 0.20 M) | Ag(s) || Cd(s) | $C{d}^{2+}$ (aq, 0.15 M)
3. $C{d}^{2+}$ | Cd(s) (aq, 0.15 M) || Ag(s) | $A{g}^{+}$ (aq, 0.20 M)

Q. One beaker contains 0.15 M $Cd(N{O}_3{)}_2$ and a Cd metal electrode. The other beaker contains 0.20 M $AgN{O}_3$ and a Ag metal electrode. The cell representation of a cell in which cadmium metal oxidizes

1. Cd(s) | $C{d}^{2+}$ (aq, 0.15 M) || $A{g}^{+}$ (aq, 0.20 M) | Ag(s)
2. $A{g}^{+}$ (aq, 0.20 M) | Ag(s) || Cd(s) | $C{d}^{2+}$ (aq, 0.15 M)
3. $C{d}^{2+}$ | Cd(s) (aq, 0.15 M) || Ag(s) | $A{g}^{+}$ (aq, 0.20 M)

Q. Which of the following statements is /are correct?

1. In cell representation anode is represented at left and cathode at right.
2. In cell representation anode is represented at right and cathode at left.