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CHXII03:ELECTROCHEMISTRY

330035 Depict the galvanic cell in which the cell reaction is $C u + 2 A g^{+} \to 2 A g + C u^{2 +}$

1

C u | 2 A g^{+} | C u^{2 +} | 2 A g

2

C u | A g^{+} | C u^{2 +} | A g

3

C u | C u^{2 +} | A g^{+} | A g

4

C u^{2 +} | C u | A g | A g^{+}

Explanation:

In the given reaction, Cu undergoes oxidation and $A g^{+}$ undergoes reduction.

CHXII03:ELECTROCHEMISTRY

330036 Which of the following statements is correct about the given Daniell cell?
supporting img

1 This cell converts the electrical energy liberated during the redox reaction to chemical energy.

2 This cell has an electrical potential greater than 1.1 V when concentration of

Z n^{2 +} a n d C u^{2 +}

ions is unity

(1 m o l d m^{- 3})

3 In this cell, copper is acting as cathode and zinc is acting as anode.

4

C u_{(s)} + Z n_{(a q)}^{2 +} \to C u_{(a q)}^{2 +} + Z n_{(s)}

CHXII03:ELECTROCHEMISTRY

330037 Agar - Agar is used in salt bridge since it is

1 Electrolyte

2 Non electrolyte

3 Inert electrolyte

4 A solid

CHXII03:ELECTROCHEMISTRY

330038 KCl is used in a salt bridge because :

1 It forms a good jelly with agar-agar

2 It is a strong electrolyte

3 It is a good conductor of electric current

4 The transport number of

K^{+} a n d C l^{-}

ions are nearly same or both have same ionic mobility

CHXII03:ELECTROCHEMISTRY

330035 Depict the galvanic cell in which the cell reaction is $C u + 2 A g^{+} \to 2 A g + C u^{2 +}$

1

C u | 2 A g^{+} | C u^{2 +} | 2 A g

2

C u | A g^{+} | C u^{2 +} | A g

3

C u | C u^{2 +} | A g^{+} | A g

4

C u^{2 +} | C u | A g | A g^{+}

Explanation:

In the given reaction, Cu undergoes oxidation and $A g^{+}$ undergoes reduction.

CHXII03:ELECTROCHEMISTRY

330036 Which of the following statements is correct about the given Daniell cell?
supporting img

1 This cell converts the electrical energy liberated during the redox reaction to chemical energy.

2 This cell has an electrical potential greater than 1.1 V when concentration of

Z n^{2 +} a n d C u^{2 +}

ions is unity

(1 m o l d m^{- 3})

3 In this cell, copper is acting as cathode and zinc is acting as anode.

4

C u_{(s)} + Z n_{(a q)}^{2 +} \to C u_{(a q)}^{2 +} + Z n_{(s)}

CHXII03:ELECTROCHEMISTRY

330037 Agar - Agar is used in salt bridge since it is

1 Electrolyte

2 Non electrolyte

3 Inert electrolyte

4 A solid

CHXII03:ELECTROCHEMISTRY

330038 KCl is used in a salt bridge because :

1 It forms a good jelly with agar-agar

2 It is a strong electrolyte

3 It is a good conductor of electric current

4 The transport number of

K^{+} a n d C l^{-}

ions are nearly same or both have same ionic mobility

CHXII03:ELECTROCHEMISTRY

330035 Depict the galvanic cell in which the cell reaction is $C u + 2 A g^{+} \to 2 A g + C u^{2 +}$

1

C u | 2 A g^{+} | C u^{2 +} | 2 A g

2

C u | A g^{+} | C u^{2 +} | A g

3

C u | C u^{2 +} | A g^{+} | A g

4

C u^{2 +} | C u | A g | A g^{+}

Explanation:

In the given reaction, Cu undergoes oxidation and $A g^{+}$ undergoes reduction.

CHXII03:ELECTROCHEMISTRY

330036 Which of the following statements is correct about the given Daniell cell?
supporting img

1 This cell converts the electrical energy liberated during the redox reaction to chemical energy.

2 This cell has an electrical potential greater than 1.1 V when concentration of

Z n^{2 +} a n d C u^{2 +}

ions is unity

(1 m o l d m^{- 3})

3 In this cell, copper is acting as cathode and zinc is acting as anode.

4

C u_{(s)} + Z n_{(a q)}^{2 +} \to C u_{(a q)}^{2 +} + Z n_{(s)}

CHXII03:ELECTROCHEMISTRY

330037 Agar - Agar is used in salt bridge since it is

1 Electrolyte

2 Non electrolyte

3 Inert electrolyte

4 A solid

CHXII03:ELECTROCHEMISTRY

330038 KCl is used in a salt bridge because :

1 It forms a good jelly with agar-agar

2 It is a strong electrolyte

3 It is a good conductor of electric current

4 The transport number of

K^{+} a n d C l^{-}

ions are nearly same or both have same ionic mobility

CHXII03:ELECTROCHEMISTRY

330035 Depict the galvanic cell in which the cell reaction is $C u + 2 A g^{+} \to 2 A g + C u^{2 +}$

1

C u | 2 A g^{+} | C u^{2 +} | 2 A g

2

C u | A g^{+} | C u^{2 +} | A g

3

C u | C u^{2 +} | A g^{+} | A g

4

C u^{2 +} | C u | A g | A g^{+}

Explanation:

In the given reaction, Cu undergoes oxidation and $A g^{+}$ undergoes reduction.

CHXII03:ELECTROCHEMISTRY

330036 Which of the following statements is correct about the given Daniell cell?
supporting img

1 This cell converts the electrical energy liberated during the redox reaction to chemical energy.

2 This cell has an electrical potential greater than 1.1 V when concentration of

Z n^{2 +} a n d C u^{2 +}

ions is unity

(1 m o l d m^{- 3})

3 In this cell, copper is acting as cathode and zinc is acting as anode.

4

C u_{(s)} + Z n_{(a q)}^{2 +} \to C u_{(a q)}^{2 +} + Z n_{(s)}

CHXII03:ELECTROCHEMISTRY

330037 Agar - Agar is used in salt bridge since it is

1 Electrolyte

2 Non electrolyte

3 Inert electrolyte

4 A solid

CHXII03:ELECTROCHEMISTRY

330038 KCl is used in a salt bridge because :

1 It forms a good jelly with agar-agar

2 It is a strong electrolyte

3 It is a good conductor of electric current

4 The transport number of

K^{+} a n d C l^{-}

ions are nearly same or both have same ionic mobility